Use browserfiy-shim globally. (#710)

This is because media-sources requires video.js but doesn't require
browserify-shim itself, so, instead we need to make sure that we
browserify-shim all the dependencies.

@@ -16,7 +16,7 @@
     "build:js": "npm-run-all build:js:babel build:js:browserify build:js:bannerize build:js:uglify",
     "build:js:babel": "babel src -d es5",
     "build:js:bannerize": "bannerize dist/videojs-contrib-hls.js --banner=scripts/banner.ejs",
-    "build:js:browserify": "browserify . -s videojs-contrib-hls -t browserify-shim -o dist/videojs-contrib-hls.js",
+    "build:js:browserify": "browserify . -s videojs-contrib-hls -g browserify-shim -o dist/videojs-contrib-hls.js",
     "build:js:uglify": "uglifyjs dist/videojs-contrib-hls.js --comments --mangle --compress -o dist/videojs-contrib-hls.min.js",
     "build:test": "npm-run-all build:test:manifest build:test:js",
     "build:test:js": "node scripts/build-test.js",
@@ -42,7 +42,7 @@
     "watch:docs": "nodemon --watch src/ --exec npm run docs",
     "watch:js": "npm-run-all -p watch:js:babel watch:js:browserify",
     "watch:js:babel": "npm run build:js:babel -- --watch",
-    "watch:js:browserify": "watchify . -v -t browserify-shim -o dist/videojs-contrib-hls.js",
+    "watch:js:browserify": "watchify . -v -g browserify-shim -o dist/videojs-contrib-hls.js",
     "watch:test": "npm-run-all -p watch:test:*",
     "watch:test:js": "node scripts/watch-test.js",
     "watch:test:manifest": "node -e \"var b=require('./scripts/manifest-data.js'); b.watch();\"",

@@ -5,7 +5,7 @@ var glob = require('glob');
 glob('test/**/*.test.js', function(err, files) {
   browserify(files)
     .transform('babelify')
-    .transform('browserify-shim')
+    .transform('browserify-shim', {global: true})
     .bundle()
     .pipe(fs.createWriteStream('dist-test/videojs-contrib-hls.js'));
 });

@@ -10,7 +10,7 @@ glob('test/**/*.test.js', function(err, files) {
     plugin: [watchify]
   })
   .transform('babelify')
-  .transform('browserify-shim');
+  .transform('browserify-shim', {global: true});
 
   var bundle = function() {
     b.bundle().pipe(fs.createWriteStream('dist-test/videojs-contrib-hls.js'));