Adding gitignore
Adding gitignore

ning-github/when,frank-weindel/when,caporta/when,SourcePointUSA/when,tkirda/when,icodeforlove/whenplus,mlennon3/when,stevage/when,tkirda/when,caporta/when,frank-weindel/when,ning-github/when,petkaantonov/when,DJDNS/when.js,mlennon3/when,stevage/when,anthonyvia/when,anthonyvia/when,SourcePointUSA/when