Add optimize js

[cferdinandi]

package.json

"gulp-optimize-js": "^1.0.2",

gulpfile.js

var optimizejs = require('gulp-optimize-js');

    var jsTasks = lazypipe()
        .pipe(header, banner.full, { package : package })
        .pipe(optimizejs)
        .pipe(gulp.dest, paths.scripts.output)
        .pipe(rename, { suffix: '.min' })
        .pipe(uglify)
        .pipe(optimizejs)
        .pipe(header, banner.min, { package : package })
        .pipe(gulp.dest, paths.scripts.output);

[cferdinandi]

v4.2.0