Update bit-javascript dependency

Author: GiladShoham

CHANGELOG.md

@@ -8,6 +8,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ## [unreleased]
 
 ## [0.6.4] - 2017-06-25
+- update "bit-javascript" dependency to 0.6.4
 ## [0.6.3-rc.3] - 2017-06-15
 
 - `bit test` shows the error stack in case of a fatal error 

package.json

@@ -26,7 +26,7 @@
     "url": "https://github.com/teambit/bit"
   },
   "dependencies": {
-    "bit-javascript": "^0.6.4-rc.1",
+    "bit-javascript": "^0.6.4",
     "bit-js": "^0.2.2",
     "buffer-from": "^0.1.1",
     "camelcase": "^4.0.0",