use firefox instead of chrome when running karma in travis

change notification settings back to original hipchat room

.travis.yml

@@ -12,7 +12,10 @@ install:
 before_script:
   - grunt shell --target=dev
 notifications:
-  email:
+  hipchat:
-    recipients:
+    rooms:
-      - gregg@bitpay.com
+      secure: ibsyaK2/7hdms9pRHCibamfUtA1yb5Ib3tIQOChwnfNSkpOy5ZViuq92duPZpKacgNuRmiwp6wfbDY8duLiadwnCet4V3dHAGqt+t9o+O7A9DzxNeYFFHnnrhqhg95PjWK6UyFqrQajPIr+n11M2itEQLa7kljQxJZ3Z26zJCdI=
-    on_success: always
+    template:
+      - '%{repository}#%{build_number} (%{branch} - %{commit} : %{author}): %{message} (<a href="%{build_url}">Details</a>/<a href="%{compare_url}">Change view</a>)'
+    format: html
+    on_success: never