Change gulpfile to take advantage of gulp APIs
Change gulpfile to take advantage of gulp APIs

Gulp's `gulp.src` can also take an [array of globs](https://github.com/gulpjs/gulp/blob/master/docs/API.md), which makes iterating through all the directories manually rather redundant.
azum4roll/Pokemon-Showdown,TheManwithskills/Server---Thermal,Stroke123/POKEMON,superman8900/Pokemon-Showdown,MayukhKundu/Flame-Savior,Extradeath/advanced,Enigami/Pokemon-Showdown,Syurra/Pokemon-Showdown,arkanox/MistShowdown,DalleTest/Pokemon-Showdown,hayleysworld/serenityc9,Chespin14/Custom-Platform-Pokemon-Showdown,Zarel/Pokemon-Showdown,AvinashSwaminathan/lotus-v3,Gold-Solox/Pokemon-Showdown,Pikachuun/Pokemon-Showdown,DB898/theregalias,SilverTactic/Dragotica-Pokemon-Showdown,Celecitia/Plux-Pokemon-Showdown,Pikachuun/Touhoumon-Showdown,sama2/Lumen-Pokemon-Showdown,Adithya4Uberz/The-Tsunami-League,TheManwithskills/New-boiler-test,ZestOfLife/FestiveLife,abrulochp/Dropp-Pokemon-Showdown,HoeenCoder/SpacialGaze,DesoGit/Tsunami_PS,SkyeTheFemaleSylveon/Mudkip-Server,megaslowbro1/Pokemon-Showdown,Nineage/Showdown-Boilerplate,psnsVGC/Wish-Server,abulechu/Dropp-Pokemon-Showdown,miahjennatills/Pokemon-Showdown,MayukhKundu/Pokemon-Domain,gustavo515/test,TheDiabolicGift/Lumen-Pokemon-Showdown,PrimalGallade45/Lumen-Pokemon-Showdown,AustinXII/Pokemon-Showdown,sama2/Universe-Pokemon-Showdown,comedianchameleon/servertest1,Flareninja/Showdown-Boilerplate,BasedGod7/PH,SkyeTheFemaleSylveon/Pokemon-Showdown,AbsolitoSweep/Absol-server,yashagl/pokecommunity,panpawn/Gold-Server,TheManwithskills/Server-2,hayleysworld/harmonia,hayleysworld/serenity,KewlStatics/Shit,Irraquated/Pokemon-Showdown,TheManwithskills/Creature-phil-boiler,FakeSloth/Infinite,Evil-kun/Pokemon-Showdown,MayukhKundu/Technogear,Git-Worm/City-PS,TbirdClanWish/Pokemon-Showdown,sirDonovan/Pokemon-Showdown,Wando94/Pokemon-Showdown,cadaeic/Pokemon-Showdown,superman8900/Pokemon-Showdown,megaslowbro1/Showdown-Server-again,Irraquated/EOS-Master,Stroke123/POKEMON,MasterFloat/Pokemon-Showdown,DesoGit/Tsunami_PS,Fusxfaranto/Pokemon-Showdown,Checkinator/Pokemon-Showdown,LustyAsh/EOS-Master,Flareninja/Lumen-Pokemon-Showdown,Irraquated/Pokemon-Showdown,DesoGit/Tsunami_PS,MasterFloat/Pokemon-Showdown,piiiikachuuu/Pokemon-Showdown,MayukhKundu/Technogear-Final,SerperiorBae/BaeShowdown,JellalTheMage/PS-,EienSeiryuu/Pokemon-Showdown,Alpha-Devs/OmegaRuby-Server,forbiddennightmare/Pokemon-Showdown-1,xCrystal/Pokemon-Showdown,urkerab/Pokemon-Showdown,TheManwithskills/Server---Thermal,zczd/enculer,ZeroParadox/ugh,jd4564/Pokemon-Showdown,megaslowbro1/Pokemon-Showdown,CreaturePhil/Showdown-Boilerplate,catanatron/pokemon-rebalance,LightningStormServer/Lightning-Storm,svivian/Pokemon-Showdown,FakeSloth/wulu,Sora-Server/Sora,SerperiorBae/BaeShowdown,TheManwithskills/serenity,yashagl/pokemon-showdown,hayleysworld/asdfasdf,TheDiabolicGift/Showdown-Boilerplate,Adithya4Uberz/KTN,JellalTheMage/Jellals-Server,Alpha-Devs/Alpha-Server,Firestatics/Firestatics46,Volcos/SpacialGaze,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,Git-Worm/City-PS,Ridukuo/Test2,Legit99/Lightning-Storm-Server,SilverTactic/Pokemon-Showdown,Articuno-I/Pokemon-Showdown,MayukhKundu/Technogear,TheManwithskills/New-boiler-test,TheFenderStory/Showdown-Boilerplate,yashagl/pokemon-showdown,danpantry/Pokemon-Showdown,Volcos/SpacialGaze,gustavo515/gashoro,InvalidDN/Pokemon-Showdown,lFernanl/Mudkip-Server,TheFenderStory/Pokemon-Showdown,yashagl/pokemon,TheManwithskills/COC,lAlejandro22/lolipoop,Lord-Haji/SpacialGaze,Oiawesome/DPPtServ2,xfix/Pokemon-Showdown,abulechu/Lumen-Pokemon-Showdown,Ransei1/Alt,SSJGVegito007/Vegito-s-Server,Lauc1an/Perulink-Showdown,sama2/Viridian-Pokemon-Showdown,hayleysworld/asdfasdf,Extradeath/psserver,gustavo515/test,Ecuacion/Lumen-Pokemon-Showdown,javi501/Lumen-Pokemon-Showdown,zczd/enculer,Tesarand/Pokemon-Showdown,johtooo/PS,Flareninja/Sora,Pikachuun/Joimmon-Showdown,UniversalMan12/Universe-Server,TheManwithskills/Dusk--Showdown,ShowdownHelper/Saffron,sirDonovan/Pokemon-Showdown,Darkshadow6/PokeMoon-Creation,CreaturePhil/Pokemon-Showdown,danpantry/Pokemon-Showdown,DalleTest/Pokemon-Showdown,iFaZe/SilverZ,KewlStatics/Pokeindia-Codes,QuiteQuiet/Pokemon-Showdown,svivian/Pokemon-Showdown,Vacate/Pokemon-Showdown,KaitoV4X/Showdown,EmmaKitty/Pokemon-Showdown,SerperiorBae/Bae-Showdown-2,zek7rom/SpacialGaze,SerperiorBae/Pokemon-Showdown-1,Pikachuun/Pokemon-Showdown-SMCMDM,megaslowbro1/Pokemon-Showdown-Server-for-megaslowbro1,hayleysworld/Showdown-Boilerplate,CreaturePhil/Showdown-Boilerplate,UniversalMan12/Universe-Server,comedianchameleon/test,EmmaKitty/Pokemon-Showdown,ShowdownHelper/Saffron,BlazingAura/Showdown-Boilerplate,HoeenKid/Pokemon-Showdown-Johto,Pokemon-Devs/Pokemon-Showdown,PauLucario/LQP-Server-Showdown,ankailou/Pokemon-Showdown,AWailOfATail/awoat,PS-Spectral/Spectral,PS-Spectral/Spectral,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,DarkSuicune/Pokemon-Showdown,hayleysworld/Pokemon-Showdown,kuroscafe/Showdown-Boilerplate,Atwar/ServerClassroom,Lord-Haji/SpacialGaze,k3naan/Pokemon-Showdown,Enigami/Pokemon-Showdown,SerperiorBae/Bae-Showdown,JennyPRO/Jenny,Alpha-Devs/OmegaRuby-Server,TogeSR/Lumen-Pokemon-Showdown,BlazingAura/Showdown-Boilerplate,Flareninja/Lumen-Pokemon-Showdown,TheManwithskills/Creature-phil-boiler,Firestatics/omega,lFernanl/Mudkip-Server,Atwar/http-server-femalehq.rhcloud.com-80.psim.us-,CreaturePhil/Pokemon-Showdown,Flareninja/Hispano-Pokemon-Showdown,JellalTheMage/PS-,hayleysworld/serenityc9,Luobata/Pokemon-Showdown,Tesarand/Pokemon-Showdown,Psyientist/Showdown-Boilerplate,Raina4uberz/Light-server,RustServer/Pokemon-Showdown,comedianchameleon/test,gustavo515/final,MeliodasBH/Articuno-Land,lFernanl/Zero-Pokemon-Showdown,Atwar/server-epilogueleague.rhcloud.com,EienSeiryuu/Pokemon-Showdown,Irraquated/Pokemon-Showdown,MayukhKundu/Mudkip-Server,Zarel/Pokemon-Showdown,Yggdrasil-League/Yggdrasil,ScottehMax/Pokemon-Showdown,Ransei1/Alt,aakashrajput/Pokemon-Showdown,asdfghjklohhnhn/Pokemon-Showdown,AbsolitoSweep/Absol-server,comedianchameleon/test,Mystifi/Exiled,sama2/Viridian-Pokemon-Showdown,Pablo000/aaa,Ridukuo/Test2,TheDiabolicGift/Showdown-Boilerplate,TheManwithskills/DS,SubZeroo99/Pokemon-Showdown,Sora-League/Sora,Bryan-0/Pokemon-Showdown,abrulochp/Lumen-Pokemon-Showdown,TheFenderStory/Pokemon-Showdown,kubetz/Pokemon-Showdown,Adithya4Uberz/The-Tsunami-League,Zipzapadam/Server,xfix/Pokemon-Showdown,CharizardtheFireMage/Showdown-Boilerplate,kubetz/Pokemon-Showdown,Extradeath/psserver,Darkshadow6/PokeMoon-Creation,Vacate/Pokemon-Showdown,panpawn/Gold-Server,iFaZe/SliverX,TheManwithskills/Dusk--Showdown,jumbowhales/Pokemon-Showdown,Ecuacion/Pokemon-Showdown,TheManwithskills/serenity,Sora-League/Sora,Checkinator/Pokemon-Showdown,abulechu/Dropp-Pokemon-Showdown,KewlStatics/Showdown-Template,ehk12/bigbangtempclone,svivian/Pokemon-Showdown,Syurra/Pokemon-Showdown,Parukia/Pokemon-Showdown,Extradeath/advanced,ZestOfLife/PSserver,MeliodasBH/Articuno-Land,lFernanl/Lumen-Pokemon-Showdown,ehk12/bigbangtempclone,DB898/theregalias,Flareninja/Pokemon-Showdown-1,TheFenderStory/Showdown-Boilerplate,xCrystal/Pokemon-Showdown,AWailOfATail/awoat,Tesarand/Pokemon-Showdown,SilverTactic/Pokemon-Showdown,LustyAsh/EOS-Master,hayleysworld/Showdown-Boilerplate,Parukia/Pokemon-Showdown,TheManwithskills/Server,yashagl/yash-showdown,KewlStatics/Shit,HoeenCoder/SpacialGaze,ZestOfLife/PSserver,hayleysworld/serenityserver,svivian/Pokemon-Showdown,cadaeic/Pokemon-Showdown,kupochu/Pokemon-Showdown,yashagl/yash-showdown,Breakfastqueen/advanced,xfix/Pokemon-Showdown,BuzzyOG/Pokemon-Showdown,Breakfastqueen/advanced,theodelhay/test,gustavo515/final,AustinXII/Pokemon-Showdown,SolarisFox/Pokemon-Showdown,Kokonoe-san/Glacia-PS,urkerab/Pokemon-Showdown,anubhabsen/Pokemon-Showdown,johtooo/PS,sirDonovan/Pokemon-Showdown,kotarou3/Krister-Pokemon-Showdown,SolarisFox/Pokemon-Showdown,TheManwithskills/DS,Ridukuo/Test,Flareninja/Showdown-Boilerplate,sama2/Dropp-Pokemon-Showdown,Wando94/Spite,Irraquated/EOS-Master,piiiikachuuu/Pokemon-Showdown,ZeroParadox/BlastBurners,Alpha-Devs/Alpha-Server,Enigami/Pokemon-Showdown,Flareninja/Sora,Bryan-0/Pokemon-Showdown,panpawn/Gold-Server,ScottehMax/Pokemon-Showdown,Elveman/RPCShowdownServer,lFernanl/Lumen-Pokemon-Showdown,RustServer/Pokemon-Showdown,Articuno-I/Pokemon-Showdown,LightningStormServer/Lightning-Storm,TbirdClanWish/Pokemon-Showdown,LegendBorned/PS-Boilerplate,SerperiorBae/PokemonShowdown2,JennyPRO/Jenny,k3naan/Pokemon-Showdown,Kill-The-Noise/BlakJack-Boilerplate,azum4roll/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown-1,QuiteQuiet/Pokemon-Showdown,AustinXII/Pokemon-Showdown,Werfin96/Ultimate,TheManwithskills/COC,Flareninja/Pokemon-Showdown,catanatron/pokemon-rebalance,aakashrajput/Pokemon-Showdown,Atwar/server-epilogueleague.rhcloud.com,PrimalGallade45/Dropp-Pokemon-Showdown,panpawn/Pokemon-Showdown,abrulochp/Lumen-Pokemon-Showdown,PauLucario/LQP-Server-Showdown,anubhabsen/Pokemon-Showdown,BuzzyOG/Pokemon-Showdown,MasterFloat/LQP-Server-Showdown,Ecuacion/Lumen-Pokemon-Showdown,Darkshadow6/git-remote-add-scalingo-git-scalingo.com-pokemoonforums,SerperiorBae/Pokemon-Showdown-1,kupochu/Pokemon-Showdown,DesoGit/TsunamiPS,ehk12/coregit,Mystifi/Exiled,MayukhKundu/Technogear-Final,CreaturePhil/Showdown-Boilerplate,Firestatics/Omega-Alpha,Gold-Solox/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown,Thiediev/Pokemon-Showdown,Lauc1an/Perulink-Showdown,Legit99/Lightning-Storm-Server,UniversalMan12/Universe-Server,Irraquated/Showdown-Boilerplate,SilverTactic/Dragotica-Pokemon-Showdown,TheDiabolicGift/Lumen-Pokemon-Showdown,SerperiorBae/Pokemon-Showdown,jumbowhales/Pokemon-Showdown,TheManwithskills/Server,SerperiorBae/Bae-Showdown-2,svivian/Pokemon-Showdown,LegendBorned/PS-Boilerplate,lFernanl/Pokemon-Showdown,Pikachuun/Pokemon-Showdown-SMCMDM,comedianchameleon/servertest1,MayukhKundu/Pokemon-Domain,panpawn/Pokemon-Showdown,yashagl/pokemon,FakeSloth/Infinite,Enigami/Pokemon-Showdown,forbiddennightmare/Pokemon-Showdown-1,AvinashSwaminathan/lotus-v2,Celecitia/Plux-Pokemon-Showdown,Psyientist/Showdown-Boilerplate,Legendaryhades/Oblivion,gustavo515/batata,Atwar/ServerClassroom,KewlStatics/Alliance,PrimalGallade45/Lumen-Pokemon-Showdown,asdfghjklohhnhn/Pokemon-Showdown,SkyeTheFemaleSylveon/Mudkip-Server,Kenny-/Pokemon-Showdown,Guernouille/Pokemon-Showdown,Flareninja/Pokemon-Showdown,sama2/Lumen-Pokemon-Showdown,Atwar/http-server-femalehq.rhcloud.com-80.psim.us-,lFernanl/Pokemon-Showdown,Disaster-Area/Pokemon-Showdown,ZeroParadox/ugh,yashagl/pokecommunity,Pokemon-Devs/Pokemon-Showdown,Wando94/Pokemon-Showdown,Irraquated/Showdown-Boilerplate,zek7rom/SpacialGaze,HoeenCoder/SpacialGaze,kuroscafe/Paradox,Oiawesome/DPPtServ2,javi501/Lumen-Pokemon-Showdown,urkerab/Pokemon-Showdown,CrestfallPS/Pokemon-Showdown,TogeSR/Lumen-Pokemon-Showdown,kotarou3/Krister-Pokemon-Showdown,PS-Spectral/Spectral,SerperiorBae/Bae-Showdown-2,gustavo515/batata,Guernouille/Pokemon-Showdown,Kill-The-Noise/BlakJack-Boilerplate,Ecuacion/Pokemon-Showdown,Nineage/Origin,ehk12/clone,AWailOfATail/Pokemon-Showdown,xCrystal/Pokemon-Showdown,scotchkorean27/Pokemon-Showdown,Parukia/Pokemon-Showdown,brettjbush/Pokemon-Showdown,SerperiorBae/Bae-Showdown,DarkSuicune/Kakuja-2.0,kuroscafe/Paradox,KewlStatics/Pokeindia-Codes,Kevinxzllz/PS-Openshift-Server,QuiteQuiet/Pokemon-Showdown,AWailOfATail/Pokemon-Showdown,DarkSuicune/Pokemon-Showdown,SkyeTheFemaleSylveon/Pokemon-Showdown,SerperiorBae/Pokemon-Showdown,AnaRitaTorres/Pokemon-Showdown,jumbowhales/Pokemon-Showdown,hayleysworld/harmonia,lFernanl/Zero-Pokemon-Showdown,ehk12/clone,SerperiorBae/BaeShowdown,Evil-kun/Pokemon-Showdown,Hidden-Mia/Roleplay-PS,DesoGit/TsunamiPS,SilverTactic/Showdown-Boilerplate,Flareninja/Hispano-Pokemon-Showdown,Zarel/Pokemon-Showdown,HoeenCoder/SpacialGaze,SSJGVegito007/Vegito-s-Server,hayleysworld/serenityserver,sama2/Dropp-Pokemon-Showdown,Pikachuun/Joimmon-Showdown,ankailou/Pokemon-Showdown,bai2/Dropp,arkanox/MistShowdown,Sora-Server/Sora,SerperiorBae/Bae-Showdown,AnaRitaTorres/Pokemon-Showdown,Firestatics/Firestatics46,Disaster-Area/Pokemon-Showdown,MeliodasBH/boarhat,xfix/Pokemon-Showdown,MasterFloat/LQP-Server-Showdown,SerperiorBae/PokemonShowdown2,Sora-League/Sora,Raina4uberz/Light-server,Nineage/Origin,hayleysworld/serenity,KewlStatics/Showdown-Template,sama2/Universe-Pokemon-Showdown,Neosweiss/Pokemon-Showdown,bai2/Dropp,scotchkorean27/Pokemon-Showdown,KewlStatics/Alliance,Kill-The-Noise/BlakJack-Boilerplate,ZeroParadox/BlastBurners,TheManwithskills/Server-2,Sora-Server/Sora,DarkSuicune/Kakuja-2.0,abrulochp/Dropp-Pokemon-Showdown,Neosweiss/Pokemon-Showdown,Pablo000/aaa,ehk12/coregit,jd4564/Pokemon-Showdown,VoltStorm/Server-pokemon-showdown,Johto-Serverr/Werfin-Boilerplate,Elveman/RPCShowdownServer,AWailOfATail/Pokemon-Showdown,Firestatics/omega,TheManwithskills/Server-2,Mystifi/Exiled,KaitoV4X/Showdown,lAlejandro22/lolipoop,Wando94/Spite,InvalidDN/Pokemon-Showdown,megaslowbro1/Pokemon-Showdown-Server-for-megaslowbro1,ZestOfLife/FestiveLife,megaslowbro1/Showdown-Server-again,AvinashSwaminathan/lotus,Ridukuo/Test,NoahVSGamingYT/Pokemon-Showdown,ShowdownHelper/Saffron,NoahVSGamingYT/Pokemon-Showdown,SubZeroo99/Pokemon-Showdown,Kokonoe-san/Glacia-PS,hayleysworld/Pokemon-Showdown,Breakfastqueen/advanced,Kevinxzllz/PS-Openshift-Server,Darkshadow6/PokeMoon-Creation,CharizardtheFireMage/Showdown-Boilerplate,MeliodasBH/boarhat,Pikachuun/Pokemon-Showdown,Lord-Haji/SpacialGaze,BuzzyOG/Pokemon-Showdown,gustavo515/gashoro,Hidden-Mia/Roleplay-PS,MayukhKundu/Mudkip-Server,abulechu/Lumen-Pokemon-Showdown,Yggdrasil-League/Yggdrasil,aakashrajput/Pokemon-Showdown,kuroscafe/Showdown-Boilerplate,psnsVGC/Wish-Server,Flareninja/Sora,xfix/Pokemon-Showdown,JellalTheMage/Jellals-Server,Firestatics/Omega-Alpha,SilverTactic/Showdown-Boilerplate,MayukhKundu/Flame-Savior,LightningStormServer/Lightning-Storm,brettjbush/Pokemon-Showdown,miahjennatills/Pokemon-Showdown,Flareninja/Pokemon-Showdown-1,AvinashSwaminathan/Pokelegends,PrimalGallade45/Dropp-Pokemon-Showdown,theodelhay/test,Zipzapadam/Server