Added Gulp JS plugin.
Added Gulp JS plugin.

Closes #606

SamMousa/PHPCI,ojengwa/PHPCI,nelsonyang0710/PHPCI,juanf/PHPCI,jimmycleuren/PHPCI,steverobbins/PHPCI,leadermt/PHPCI,Adirelle/PHPCI,wodka/PHPCI,jimmycleuren/PHPCI,juanf/PHPCI,SamMousa/PHPCI,onedal88/PHPCI,steverobbins/PHPCI,keradus/PHPCI,tankist/PHPCI,jimmycleuren/PHPCI,laszlof/PHPCI,andreustimm/PHPCI,nevernet/PHPCI,mseshachalam/PHPCI,Lechus/PHPCI,mikk150/PHPCI,tankist/PHPCI,cooperaj/PHPCI,gdseller/PHPCI,mseshachalam/PHPCI,keradus/PHPCI,mikk150/PHPCI,corretgecom/PHPCI,laszlof/PHPCI,tankist/PHPCI,Block8/PHPCI,chtombleson/PHPCI,mavimo/PHPCI,nelsonyang0710/PHPCI,leadermt/PHPCI,Lechus/PHPCI,andreustimm/PHPCI,laszlof/PHPCI,nevernet/PHPCI,mikk150/PHPCI,cooperaj/PHPCI,onedal88/PHPCI,mindteam/PHPCI,rafaelang/PHPCI,chtombleson/PHPCI,nevernet/PHPCI,Block8/PHPCI,ojengwa/PHPCI,onedal88/PHPCI,ronanchilvers/PHPCI,leadermt/PHPCI,mindteam/PHPCI,seshurajup/PHPCI,ronanchilvers/PHPCI,corretgecom/PHPCI,Topface/PHPCI,dwolke/phpci,Topface/PHPCI,LewisW/PHPCI,juanf/PHPCI,Adirelle/PHPCI,gdseller/PHPCI,ronanchilvers/PHPCI,gdseller/PHPCI,cooperaj/PHPCI,Lechus/PHPCI,steverobbins/PHPCI,keradus/PHPCI,LewisW/PHPCI,Topface/PHPCI,corretgecom/PHPCI,nelsonyang0710/PHPCI,seshurajup/PHPCI,mehulsbhatt/PHPCI,mehulsbhatt/PHPCI,zilionis/PHPCI,Coderockr/PHPCI,dwolke/phpci,mavimo/PHPCI,andreustimm/PHPCI,Coderockr/PHPCI,wodka/PHPCI,SamMousa/PHPCI,zilionis/PHPCI,ronanchilvers/PHPCI,Block8/PHPCI,rafaelang/PHPCI,mavimo/PHPCI,chtombleson/PHPCI,ojengwa/PHPCI,rafaelang/PHPCI,dwolke/phpci,mseshachalam/PHPCI,mehulsbhatt/PHPCI,seshurajup/PHPCI,Coderockr/PHPCI,zilionis/PHPCI,Adirelle/PHPCI,mindteam/PHPCI,LewisW/PHPCI