Added modifications to allow for progress notifications with data
Changed DataAsyncHttpResponseHandler into subclass to minimize changes of existing library.
Merge pull request #391 from vetho/master

Added modifications to allow for progress notifications with data
Merge branch 'master' of https://github.com/loopj/android-async-http

# By unknown
# Via Marek Sebera (1) and unknown (1)
* 'master' of https://github.com/loopj/android-async-http:
  Changed DataAsyncHttpResponseHandler into subclass to minimize changes of existing library.
  Added modifications to allow for progress notifications with data