fix(gulp/fonts): gulp didn't pack all needed fonts

Closes #58

bower.json

@@ -78,7 +78,8 @@
     "bootstrap": {
       "main": [
         "dist/css/bootstrap.css",
-        "js/dropdown.js"
+        "js/dropdown.js",
+        "./dist/fonts/**.*"
       ]
     },
     "slimScroll": {

gulp/build.js

@@ -72,8 +72,7 @@ gulp.task('html', ['inject', 'partials'], function () {
 // Only applies for fonts from bower dependencies
 // Custom fonts are handled by the "other" task
 gulp.task('fonts', function () {
-  return gulp.src($.mainBowerFiles())
-    .pipe($.filter('**/*.{eot,svg,ttf,woff,woff2}'))
+  return gulp.src($.mainBowerFiles('**/*.{eot,svg,ttf,woff,woff2}'))
     .pipe($.flatten())
     .pipe(gulp.dest(path.join(conf.paths.dist, '/fonts/')));
 });