Update and tidy README
Update and tidy README

Removes references to defunct modernizr build generator
Removes repetition
Gulp -> gulp
https://github.com/gulpjs/gulp/blob/master/docs/FAQ.md#is-it-gulp-or-gulp
Removes references to Sass fork, it is dead
Removes "Organized file and template structure" as a feature
Some opinionated usage changes in the Contributing section
Adds my twitter to Readme so I can be reached for gulp stuff
Pimps bedrock

tracyapps/ruth,johnsolarz/sage-modular,westhechiang/nsk,cudim/pages-theme,thewellmetgroup/theme,mckelvey/sage,jlm2017/theme-wp,wespiper/skar,megryll/davielaw,BiotechFeedback/wordpress-theme,HYPD/sagetest,apexskier/nodm-wp-theme,glocalcoop/anp-network-main-redux,ChrisLTD/sage,wespiper/skar,ivan-shulev/despreneur-academy,tbbooher/cffc2,firebelly/fb-sage,streetcoder/rootio-gulp,fusionpig/sage,CAYdenberg/sage,MikeiLL/black_sage_theme,MikeiLL/black_sage_theme,zelimir83/sage,mckelvey/sage,decapyre/sage,jchck/jchck_,boskakke/sage-bt,miukimiu/sage-meninasgeeks,ptrckvzn/sage,islamx/mine,JesusisFreedom/sage,agusgarcia/sage9,jeffsee55/sage-runfurman,chmaltsp/My-Choice-Theme,MikeiLL/mZoo-wp-theme,AmosFord/fordsage,valenciafg/guanaima-theme,cudim/pages-theme,gopperman/fader-theme,ivan-shulev/despreneur-academy,honisoit/huntingslow,PCHC/PCHC2016,dsa821/mgoblog,Kilbourne/melarido,teaguecnelson/tn-tellis-bds,moetw/blog,bobderrico80/nymb-v2,razordaze/cutter,psorensen/TBC-Theme,grex22/bookflipper,hphioolen/SinglePage1,girl-elvis/gamesage,Decisionary/blr-base-theme,tracyapps/web2,MikeiLL/cstewart,jlm2017/theme-wp,gabzon/sevinci-agency,thenewblk/mahamusicfestival,tbbooher/cffc2,nomad-mystic/nomadmystic,gabzon/fiesta-travel,git-e-up/saucy-theme,teaguecnelson/tn-tellis-bds,brainmangv/sage,MikeiLL/cstewart,MikeiLL/HealthyHappyHarmony,barnyp/sage,eddieospaghettio/qure,k33n/sage,BiotechFeedback/wordpress-theme,bigwilliam/sage-extended,themagicalboy/iddo,zNiik/jsour,barrychampion/hgplantsales,c50/c50_roots,generoi/sage,chuckn246/sage-foundation-sites,sinnwerkstatt/sinn-sage,Nomad-Pals/Cascadia-Theme,MikeiLL/MaterialSage,skemantix/sage,oscarsmeulders/sage,eggandpig/shellandclove,Kilbourne/melarido,MManifesto/sage,jeffsee55/sage-runfurman,drrobotnik/roots,eggandpig/shellandclove,barnyp/sage,windeck/theme,levito/kleineweile-wp-theme,JulienMelissas/sage,spokencode/My-Roots-Starter-Theme,k33n/sage,electronspin/hadron,Inggo/Sola,joshua-chavanne/laudable-info-refresh,electronspin/sage-f6,PCHC/pharmacyresidency2017,ericimthorn/sage,dbhynds/sage,noskov/sage,honisoit/huntingslow,kevinlisota/roots,PCHC/ccpm,gabzon/sevinci-sage-2,gabzon/personal-webapp,gabzon/sevinci-agency,gabzon/sevinci-sage-2,bobderrico80/sage,aaronkelch/sage,evanfuture/thyme,democracy-os-fr/sage,tracyapps/web2,teaguecnelson/tn-tellis-bds,ekandreas/sage-material-design,safetycat/catsage,gabzon/sevinci-sage,JesusisFreedom/sage,Zaturrby/simulacrum-sage,haruair/haruair,kalenjohnson/sage,generoi/sage,austinpray/sage,Inggo/Sola,roots/sage,gabzon/sevinci-sage-2,muhamadsyahril/themes-sage-master,eggandpig/shellandclove,gabzon/clochette,noplanman/sage-wpcs,gabzon/dancefloor,ramjack/wp-theme-landing-page,renddrew/sage_cstm,gianthat/sage,PCHC/hopehouse,trevoristall/quillflow,drrobotnik/roots,MikeiLL/bludog,randybondsjr/city-of-yakima-wp-theme-2015,gkmurray/sage,kevinlisota/roots,ddanh85/dpsage,PaidSites/sage,eatrero/atrero2015,renddrew/sage_cstm,Luandro-com/Amor,ivgalic/galibugs-theme,dboune/sage,Maximoo/sage,jeremystrom/sage,PCHC/PCHC2016,zelimir83/sage,Foxaii/sage,WenderHost/pmd-sage-theme,megryll/davielaw,JohnBueno/jw,MikeiLL/cstewart,evanfuture/thyme,gkmurray/sage,jchck/jchck_,gabzon/sevinci-sage,PCHC/hopehouse,achoukah/trevors_head,robbintt/sage,chaddanna/jenna-portfolio,achoukah/trevors_head,evanfuture/thyme,MikeiLL/mZoo-wp-theme,fabiowitt/sage,littlesumo/sage,obelis/premium-real-estate-theme,firebelly/fb-sage,bkahlert/sage-base,themagicalboy/iddo,eatrero/atrero2015,topecz/roots,zacwasielewski/sage-customized,gelli/stonyray,spokencode/OneStream,dbhynds/sage,ChrisLTD/sage,nomad-mystic/nomadmystic,ClimateFeedback/wordpress-theme,levito/kleineweile-wp-theme,MikeiLL/HealthyHappyHarmony,cmkshaw/colin-smith,austinpray/sage,obelis/faith-motorsports-theme,mikaelmattsson/sage,MikeiLL/bludog,nomad-mystic/nomadmystic,mikeyspice/the-fritz-custom,wesm87/sage,joshua-chavanne/laudable-info-refresh,NicBeltramelli/sage,ekandreas/sage-material-design,jcarignan/sage,tracyapps/ruth,davidbunce/david-bunce-2015,rniswonger/sage,nbranzburg/iconsult,grex22/bookflipper,gabzon/spoutnik,aaronkelch/sage,MikeiLL/poman,agusgarcia/sage9,avioli/roots,gabzon/rosabrux,m6r/wp-themev2,streetcoder/rootio-gulp,CFERepo/cfe,codeclimate-testing/sage,heedfull/ClionaJoyce,adrianstaniloiu/sage,gabzon/spoutnik,barrychampion/hgplantsales,davidbunce/david-bunce-2015,razordaze/cutter,democracy-os-fr/sage,Decisionary/blr-base-theme,nomad-mystic/nomadmystic,gabzon/fiesta-travel,Iamronan/sage,democracy-os-fr/sage,MiquelAdell/blueprint,gabzon/voxmusica,PCHC/pharmacyresidency2017,roots/sage,electronspin/sage-f6,johnsolarz/sage,drewrawitz/wp-theme,ItAintTalon/Moments,codeclimate-testing/sage,gabzon/sevinci-agency,christopherbruce/christopher-sage,MikeiLL/mZoo-wp-theme,gabzon/dancefloor,kalenjohnson/sage,mattrothenberg/abxy,gabzon/spoutnik,thenewblk/mahamusicfestival,fingli/sage,noplanman/sage-wpcs,hphioolen/SinglePage1,NicBeltramelli/sage,tylertravitz/atlas,zacwasielewski/sage-customized,MikeiLL/pure-demo,haruair/haruair,Decisionary/blr-base-theme,dsa821/phyllissadesign,mckelvey/sage,thenewblk/mahamusicfestival,m6r/wp-themev2,gabzon/experiensa-website,openstate/tcampeu-theme,sacredwebsite/sage,nsrosenqvist/sage,jfmacdonald/parsley,nsrosenqvist/sage,adrianstaniloiu/sage,NicBeltramelli/sage,wolfgangcode/wrangel,entr/sage,puterakahfi/sage,islamx/mine,mikeyspice/the-fritz-custom,heedfull/ClionaJoyce,rniswonger/sage,eddieospaghettio/qure,jfmacdonald/parsley,miukimiu/sage-meninasgeeks,tylertravitz/atlas,Zaturrby/simulacrum-sage,BurfieldCreative/sage,daaveuk/glasseye,fusionpig/sage,PCHC/pharmacyresidency2017,IQ2022/sage,troymcginnis/Gromf-Fork,commandante567/bugs,ucarmetin/reen,christopherbruce/christopher-sage,JulienMelissas/sage,PCHC/pchc-board,sacredwebsite/sage,fingli/sage,ivgalic/galibugs-theme,MikeiLL/pure-demo,smutek/BourbonySages-Rex,kab2512/sage,tttanaka/sage,chuckn246/sage-foundation-sites,rovak73/sage,spokencode/My-Roots-Starter-Theme,MManifesto/sage,trevoristall/quillflow,MikeiLL/MaterialSage,heedfull/ClionaJoyce,PCHC/ccpm,Foxaii/sage,lantern-creative/sage,ChrisLTD/sage,boskakke/sage-bt,smutek/BourbonySage,wprtl/sage-rtl,vonkanehoffen/sage,obelis/faith-motorsports-theme,ptrckvzn/sage,glocalcoop/anp-network-main-redux,oscarsmeulders/sage,eggandpig/ihateblonde,ChrisLTD/sage,skemantix/sage,cmkshaw/colin-smith,Maximoo/sage,Luandro-com/Amor,fingerpaintmarketing/sage,jmpdv/sage,danpliego/sage,puterakahfi/sage,awanderingorill/the-brm,bobderrico80/sage,jessicahawkins3344/squarely,PCHC/pchc-board,gbarberi/sage,drrobotnik/roots,ericimthorn/sage,ThemeSurgeon/sage,gabzon/experiensa,c50/c50_roots,tracyapps/web2,AmosFord/fordsage,gabzon/dancefloor,jeremystrom/sage,vonkanehoffen/sage,valenciafg/guanaima-theme,gkmurray/sage,mikaelmattsson/sage,c50/c50_roots,littlesumo/sage,gabzon/voxmusica,HYPD/sagetest,entr/sage,Kilbourne/melarido,oxxido/bizop,brainmangv/sage,gabzon/rosabrux,zNiik/jsour,gkmurray/sage,smutek/BourbonySage,romapad/sound-themplate,lantern-creative/sage,bobderrico80/nymb-v2,danpliego/sage,robbintt/sage,gopperman/fader-theme,CAYdenberg/sage,ptrckvzn/sage,avioli/roots,fingerpaintmarketing/sage,JohnBueno/jw,gabzon/experiensa,BurfieldCreative/sage,oxxido/bizop,nickkos101/thezoo,gabzon/clochette,dboune/sage,masoninthesis/seaside-new,wolfgangcode/wrangel,levito/kleineweile-wp-theme,dsa821/phyllissadesign,kalenjohnson/sage,nbranzburg/iconsult,BurfieldCreative/sage,gabzon/experiensa-website,MikeiLL/poman,nomad-mystic/nomadmystic,wprtl/sage-rtl,tttanaka/sage,hypothesis/wordpress-theme-hypothesis,bmoredrew/sage,jwkicklighter/salon-vo-sage,Iamronan/sage,MikeiLL/pure-demo,jlmaners/pbc-media,obelis/premium-real-estate-theme,hypothesis/wordpress-theme-hypothesis,MikeiLL/New_Cool_Theme,MikeiLL/bludog,jeffsee55/mdl-sage,tripl3inf/BulbsOnly-v2,agusgarcia/sage9,jessicahawkins3344/squarely,bmoredrew/sage,gbarberi/sage,generoi/sage,CFERepo/cfe,Internetmonkey/paradisegardens,openstate/tcampeu-theme,daaveuk/glasseye,Internetmonkey/paradisegardens,awanderingorill/the-brm,spokencode/OneStream,MiquelAdell/blueprint,MikeiLL/poman,mykepreuss/roots,noskov/sage,smutek/BourbonySages-Rex,randybondsjr/city-of-yakima-wp-theme-2015,PaidSites/sage,westhechiang/nsk,moetw/blog,windeck/theme,apexskier/nodm-wp-theme,jeffsee55/mdl-sage,drewrawitz/wp-theme,Internetmonkey/d1,fabiowitt/sage,PCHC/hopehouse,topecz/roots,WenderHost/pmd-sage-theme,johnsolarz/sage-modular,palpalani/sage,simulacrum-amsterdam/simulacrum-sage,Internetmonkey/d1,ClimateFeedback/wordpress-theme,chaddanna/jenna-portfolio,gabzon/experiensa-website,ClimateFeedback/wordpress-theme,palpalani/sage,ddanh85/dpsage,ThemeSurgeon/sage,nickkos101/thezoo,ramjack/wp-theme-landing-page,davado/sage,sinnwerkstatt/sinn-sage,gabzon/personal-webapp,thewellmetgroup/theme,electronspin/hadron,wesm87/sage,bigwilliam/sage-extended,tripl3inf/BulbsOnly-v2,muhamadsyahril/themes-sage-master,ryoenji/sage,JulienMelissas/sage,skemantix/sage,troymcginnis/Gromf-Fork,commandante567/bugs,Comunitas/JuntosWPTheme,jlmaners/pbc-media,sacredwebsite/sage,AnthonyTurrigiano/sage,gabzon/fiesta-travel,MikeiLL/MaterialSage,bkahlert/sage-base,eggandpig/ihateblonde,mikifus/sage,Nomad-Pals/Cascadia-Theme,AnthonyTurrigiano/sage,nomad-mystic/nomadmystic,jmpdv/sage,girl-elvis/gamesage,MikeiLL/New_Cool_Theme,safetycat/catsage,Internetmonkey/d1,JohnBueno/jw,romapad/sound-themplate,decapyre/sage,kab2512/sage,megryll/davielaw,dsa821/mgoblog,davado/sage,commandante567/bugs,rovak73/sage,mattrothenberg/abxy,johnsolarz/sage,chmaltsp/My-Choice-Theme,mikifus/sage,gelli/stonyray,ucarmetin/reen,simulacrum-amsterdam/simulacrum-sage,Comunitas/JuntosWPTheme,IQ2022/sage,masoninthesis/seaside-new,gabzon/experiensa,psorensen/TBC-Theme,ItAintTalon/Moments,git-e-up/saucy-theme,ryoenji/sage,CFERepo/cfe,MikeiLL/HealthyHappyHarmony,gianthat/sage,jcarignan/sage,jwkicklighter/salon-vo-sage