Add 1.5.0 release highlights to release log

James Moger

2014-04-11 a57d0c36910a96391b79511224eeb2989f52f6e3

 src/test/java/com/gitblit/tests/mock/MemorySettings.java

@@ -48,6 +48,11 @@
   }

   @Override
   public boolean saveSettings() {
      return false;
   }

   @Override
   public boolean saveSettings(Map<String, String> updatedSettings) {
      return false;
   }