Update dev dependencies

mt-changelog
release-script

Author: AlexKVal

package.json

@@ -58,13 +58,13 @@
     "karma-webpack": "^1.5.0",
     "lodash": "^3.10.0",
     "mocha": "^2.1.0",
-    "mt-changelog": "^0.5.3",
+    "mt-changelog": "^0.6.1",
     "node-libs-browser": "^0.5.2",
     "phantomjs": "^1.9.13",
     "react": ">0.10.0",
     "react-bootstrap": ">=0.15",
     "react-router": ">=0.13.1",
-    "release-script": "^0.1.0",
+    "release-script": "^0.2.1",
     "shelljs": "^0.5.1",
     "webpack": "^1.4.15",
     "webpack-dev-server": "^1.7.0",