build(uglify): Add uglify dependency and correct the release.sh

1. Provide uglify-js package for release.js
2. Add shebang in release.sh

Author: a60814billy

package.json

@@ -21,7 +21,8 @@
     "phantomjs-prebuilt": "^2.1.12",
     "rollup": "^0.34.10",
     "rollup-plugin-buble": "^0.14.0",
-    "rollup-watch": "^2.5.0"
+    "rollup-watch": "^2.5.0",
+    "uglify-js": "^2.8.15"
   },
   "bugs": "http://github.com/codemirror/CodeMirror/issues",
   "keywords": [

release.sh

@@ -1,4 +1,5 @@
-uglifyjs --compress --mangle --output codemirror.min.js \
+#!/bin/bash
+./node_modules/.bin/uglifyjs --compress --mangle --output codemirror.min.js \
 lib/codemirror.js \
 addon/mode/overlay.js \
 addon/mode/simple.js \