JSHint cleanup
JSHint cleanup

lessless/pretender,step2yeung/pretender,code0100fun/pretender,mike-north/pretender,fakalit/pretender,cibernox/pretender,blimmer/pretender,pretenderjs/pretender,constantm/pretender,fivetanley/pretender,olivierlesnicki/pretender,trek/pretender,pretenderjs/pretender,jamesdixon/pretender,bdvholmes/pretender,guybedford/pretender,bantic/pretender