gulp.task('copy', ['clean'], function(){
return gulp.src([projectName + '//**',
    '!' + projectName + '/app/{config,config/**}',
    '!' + projectName + '/app/{storage,storage/**}',
    '!' + projectName + '/{nbproject,nbproject/**}',
    '!' + projectName + '/{Scripts,Scripts/**}'
    ])
    .pipe(gulp.dest('version-client'));