Update gulpfile.js
Update gulpfile.js

Fixes #243
FTG-003/polymer-starter-kit,paul-jean/polymer-starter-kit,Negashev/i-kosmetolog,flaiker/polymer-starter-kit,liris-tweak/taaabs,samccone/polymer-starter-kit,gick/mobile-polymer-starter-2,abdonrd/polymer-starter-kit,semafloor/semafloor-test-alpha,trendystore/store,FaellCarvalho/Geo-Location,pedrogasg/polypdu,patilharshali/polymer-starter-kit,elementron/elementron,proplanr/polymer-starter-kit,StatelessCat/zealous-octo-wookie,FTG-003/polymer-starter-kit,stevenquiroa/polymer-starter-kit,victorgb6/id-questionary,LM450N/polymer-starter-kit,LM450N/polymer-starter-kit,yi-jiayu/mahjong-calculator-v2,eafelix/polymer-starter-kit,jeffposnick/polymer-starter-kit,LM450N/polymer-starter-kit,bird1235456/polymer-starter-kit,WestchesterPublicLibrary/WPLreports,Nzaga/polymer-starter-kit,Serious-Rage/poligomy,gick/reveries-project,GNURub/polymer-starter-kit,Serious-Rage/poligomy,Ex-ante-Labs/shopper.ninja,Awarua-/Agilefant-Times-Polymer-Front-end,StartPolymer/polymer-starter-kit,kristianmandrup/polymer-starter-kit,didrocks/site-julie,alexpaluzzi/polymer-starter-kit,pathfinderstudios/polymer-starter-kit,asternux/polymer-starter-kit,simonfan/polymer-starter-kit,FaellCarvalho/Geo-Location,anusornc/polymer-starter-kit,HIROSN/polymer-starter-kit,uvalib/wayfinding-kiosk,sebs/cat-toy,JnJSW/dttdata,klarkc/polymer-loopback-starter-kit,elementron/elementron,tpgmartin/polymer-starter-kit,bdnorg/tmi,mikaelharsjo/polymer-starter-kit,SB-Technology-Holdings-International/Water,andrefuller/PolymerTrailerViewer,asternux/polymer-starter-kit,robdodson/polymer-starter-kit,soonick/polymer-starter-kit,WestchesterPublicLibrary/WPLreports,bdnorg/tmi,gianluka79/First,uvalib/alderman-renew,alexpaluzzi/polymer-starter-kit,OscaRoa/polymer-starter-kit,datalink747/polymer-starter-kit,dennisg/luminis-colleagues,gick/mobile-polymer-starter-2,m4h4n/polymer-starter-kit,ragingwind/polymer-starter-kit,michaetto/f16,gertcuykens/polymer-starter-kit,paddeee/farrel,Jelle-imitto/tools-polymer,Jelle-imitto/tools-polymer,andrefuller/PolymerTrailerViewer,didrocks/site-julie,bright-sparks/polymer-starter-kit,semafloor/semafloor-test-alpha,gertcuykens/polymer-starter-kit,newrocknj/polymer-starter-kit,liris-tweak/taaabs,StatelessCat/psk-html-importer,noahlaux/polymer-starter-kit,bird1235456/polymer-starter-kit,shauvik/polymer-starter-kit,stevenquiroa/polymer-starter-kit,yi-jiayu/mahjong-calculator-v2,shauvik/polymer-starter-kit,StatelessCat/zealous-octo-wookie,Sykkro/penny-web,lordoftheflies/mlm-portal,VandeurenGlenn/web-import,hectorguo/polymer-starter-kit,Serious-Rage/poligomy,stefanoantonel/brainpower,hourliert/polymer-starter-kit,klarkc/polymer-loopback-starter-kit,ianholing/geowall-project,ek/polymer-starter-kit,gertcuykens/polymer-starter-kit,VandeurenGlenn/web-import,hocine-h/polymer-starter-kit,timeu/polymer-starter-kit,natabbotts/blogs.org.uk,datalink747/polymer-starter-kit,kristianmandrup/polymer-starter-kit-plus,jamesthechamp/polymer-starter-kit,camargoanderso/polymer-starter-kit,andrefuller/PolymerTrailerViewer,JnJSW/dttdata,bsparks/polymer-starter-kit,MontyNish/polymer-starter-kit,Joostvanderlaan/polymer-starter-kit-1,felixzapata/polymer-starter-kit,SB-Technology-Holdings-International/Water,uvalib/alderman-renew,jdavidagudelo/polymerstarter,lordoftheflies/mlm-portal,elenadatsiuk/tinkersolomid,jeffposnick/polymer-starter-kit,flaiker/polymer-starter-kit,paul-jean/foo-bar-element,kenjitayama/polymer-starter-kit,jvkops/polymer-starter-kit,klarkc/polymer-loopback-starter-kit,tecla5/site,StatelessCat/psk-html-importer,pathfinderstudios/polymer-starter-kit,DHSDevelopersClub/home-access-client,M4gn4tor/polymer-starter-kit,semafloor/semafloor-test-alpha,jvkops/polymer-starter-kit,1001genomes/admixture-map,FaellCarvalho/Geo-Location,jimivdw/polymer-starter-kit,uvalib/wayfinding-kiosk,robdodson/polymer-starter-kit,patilharshali/polymer-starter-kit,simonfan/polymer-starter-kit,abdonrd/polymer-starter-kit,stephenzsy/charon-frontend,paddeee/farrel,ragingwind/polymer-starter-kit,noahlaux/polymer-starter-kit,lordoftheflies/mlm-portal,RoyKoh/Project-3,SB-Technology-Holdings-International/Water,mtusk/polymer-starter-kit,stevenquiroa/thepolymerproject,SB-Technology-Holdings-International/Water,camargoanderso/polymer-starter-kit,markovuksanovic/polymer-starter-kit,M4gn4tor/polymer-starter-kit,MyanmarAPI/data-entry-app,gianluka79/First,shingo-kumagai/polymer-starter-kit,kristianmandrup/polymer-starter-kit,trendystore/store,proplanr/polymer-starter-kit,tecla5/site,TheFinestArtist/HandbellChoir-Web,hocine-h/polymer-starter-kit,vl4dt/polymer-starter-kit,paul-jean/foo-bar-element,TheFinestArtist/HandbellChoir-Web,felixzapata/polymer-starter-kit,be-cloud-js/odoo-dashboard,StartPolymer/polymer-starter-kit-plus,jamesthechamp/polymer-starter-kit,ndrd/nodrd-js,taranjeetsapra/polymer-starter-kit,ek/polymer-starter-kit,Ex-ante-Labs/shopper.ninja,jakemac53/polymer-starter-kit,michaetto/f16,Negashev/negash.ru,grebett/polymer-starter-kit,DHSDevelopersClub/home-access-client,stephenzsy/charon-frontend,stefanoantonel/brainpower,hliyan/polymer-starter-kit,bendroid/polymer-starter-kit,plusCubed/pluscubed-site,fousheezy/ncdc-events,proplanr/polymer-starter-kit,baberthal/polymer-starter-kit,ianholing/geowall-project,StartPolymer/polymer-starter-kit-plus,taranjeetsapra/polymer-starter-kit,budnik/polymer-starter-kit,SB-Technology-Holdings-International/WateringWebClient,mikaelharsjo/polymer-starter-kit,SB-Technology-Holdings-International/WateringWebClient,Sykkro/penny-web,anthonybrown/polymer-starter-kit,hbx5555/polymer-starter-kit,egohub/appdesign,Sykkro/penny-web,WestchesterPublicLibrary/WPLreports,pedrogasg/polypdu,gick/mobile-polymer-starter-2,trendystore/store,altereagle/polymer-starter-kit,stefanoantonel/ecofit,kenjitayama/polymer-starter-kit,timeu/polymer-starter-kit,ndrd/nodrd-js,Nzaga/polymer-starter-kit,elementron/elementron,Jelle-imitto/tools-polymer,budnik/polymer-starter-kit,hwangc/polymer-starter-kit,Jelle-imitto/tools-polymer,elenadatsiuk/tinkersolomid,altereagle/polymer-starter-kit,pathfinderstudios/polymer-starter-kit,markovuksanovic/polymer-starter-kit,Negashev/negash.ru,Jelle-imitto/tools-polymer,finch0219/polymer-starter-kit,Awarua-/Agilefant-Times-Polymer-Front-end,OscaRoa/polymer-starter-kit,stevenquiroa/thepolymerproject,HIROSN/polymer-starter-kit,michaetto/f16,egohub/appdesign,bsparks/polymer-starter-kit,Ex-ante-Labs/pivot-ahead,vl4dt/polymer-starter-kit,SB-Technology-Holdings-International/WateringWebClient,ragingwind/polymer-starter-kit,shawnhermans/polymer-starter-kit,hwangc/polymer-starter-kit,victorgb6/id-questionary,hectorguo/polymer-starter-kit,didrocks/polymer-starter-kit,grebett/polymer-starter-kit,WestchesterPublicLibrary/WPLreports,kristianmandrup/polymer-starter-kit-plus,eafelix/polymer-starter-kit,anthonybrown/polymer-starter-kit,stefanoantonel/ecofit,paul-jean/polymer-starter-kit,Ex-ante-Labs/pivot-ahead,paul-jean/polymer-starter-kit,didrocks/polymer-starter-kit,natabbotts/blogs.org.uk,mtusk/polymer-starter-kit,StartPolymer/polymer-starter-kit,be-cloud-js/odoo-dashboard,MontyNish/polymer-starter-kit,Joostvanderlaan/polymer-starter-kit-1,hbx5555/polymer-starter-kit,finch0219/polymer-starter-kit,stefanoantonel/ecofit,SB-Technology-Holdings-International/Water,dennisg/luminis-colleagues,tpgmartin/polymer-starter-kit,bendroid/polymer-starter-kit,1001genomes/admixture-map,Negashev/i-kosmetolog,hliyan/polymer-starter-kit,shawnhermans/polymer-starter-kit,Negashev/i-kosmetolog,baberthal/polymer-starter-kit,grebett/polymer-starter-kit,jimivdw/polymer-starter-kit,victorgb6/id-questionary,alexpaluzzi/polymer-starter-kit,Negashev/negash.ru,JnJSW/dttdata,sebs/cat-toy,hourliert/polymer-starter-kit,samccone/polymer-starter-kit,gick/reveries-project,fousheezy/ncdc-events,RoyKoh/Project-3,jakemac53/polymer-starter-kit,m4h4n/polymer-starter-kit,markovuksanovic/polymer-starter-kit,DHSDevelopersClub/home-access-client,didrocks/site-julie,shingo-kumagai/polymer-starter-kit,bright-sparks/polymer-starter-kit,anusornc/polymer-starter-kit,RoyKoh/Project-3,plusCubed/pluscubed-site,soonick/polymer-starter-kit,DHSDevelopersClub/home-access-client,GNURub/polymer-starter-kit,stephenzsy/charon-frontend,MyanmarAPI/data-entry-app,gianluka79/First,felixzapata/polymer-starter-kit,gick/reveries-project,paddeee/farrel,newrocknj/polymer-starter-kit,jdavidagudelo/polymerstarter,didrocks/site-julie,SB-Technology-Holdings-International/WateringWebClient