Merge branch 'develop' of https://github.com/opensheetmusicdisplay/opensheetmusicdisplay into develop

package.json

@@ -63,7 +63,7 @@
     "karma": "^1.1.1",
     "karma-base64-to-js-preprocessor": "0.0.1",
     "karma-chai": "^0.1.0",
-    "karma-chrome-launcher": "^1.0.1",
+    "karma-chrome-launcher": "^2.0.0",
     "karma-firefox-launcher": "^1.0.0",
     "karma-mocha": "^1.1.1",
     "karma-mocha-reporter": "^2.0.4",