Strengthen the reference for the Handler responder. In some occasions, the handler was garbage-collected between the time the request was submitted and until it returned.
Gradle fixes
Merge branch 'master' of github.com:loopj/android-async-http
Gradle version update
Merge pull request #425 from orientalsensation/AsyncHttpResponseHandler

Strengthen the reference for the Handler responder.
Merge branch 'master' of https://github.com/loopj/android-async-http

# By mareksebera (2) and Oriental Sensation (1)
# Via mareksebera (2) and Marek Sebera (1)
* 'master' of https://github.com/loopj/android-async-http:
  Gradle version update
  Gradle fixes
  Strengthen the reference for the Handler responder. In some occasions, the handler was garbage-collected between the time the request was submitted and until it returned.