Getting the message from Target Exception when the instance is of type InvocationTargetException in HttpMethodInfo
Merge pull request #22 from continuuity/feature/fix_exception_message

Getting the message from Target Exception when the instance is of type InvocationTargetException in HttpMethodInfo
Added RAT plugin for license check. Also fixes couple checkstyle warnings.
Merge branch 'develop' of https://github.com/continuuity/netty-http into feature/ssl
Adding SSL support to Netty-HTTP
Added missing license headers