Updated README with notes regarding 1.7.14

Author: ysb33r

README.md

@@ -16,6 +16,9 @@ proxy](http://rubygems-proxy.torquebox.org/) provided by the
 
 This plugin requires Gradle 2.0 or better
 
+JRuby 1.7.14 seem to have some bugs. Although this plugin has a workaround it is recommended that you avoid using 1.7.14
+with the jruby-gradle-plugin.
+
 ## Getting Started
 
 ### Setting up Gradle