Send progress message in DataAsyncHttpResponseHandler
FileWrapper to be serializable, Closes #705
Merge pull request #702 from ohmerhe/master

Send progress message in DataAsyncHttpResponseHandler
Merge remote-tracking branch 'origin/master'
Updated Android Gradle plugin to 0.13.2, fixed lint issue regarding the application icon
First design of 1.5 version, not usable yet
Update Travis CI configuration
Pre-implemented all supported HTTP methods
Allow changing HTTP protocol version
Removed Singleton pattern, for HttpClient would have to be instantiated re/configured on each request, migrated over older pattern of creating AsyncHttpRequest instance in subclass
Fixed `cannot find symbol` in Javadoc Gradle definition
Dynamic versionCode and versionName assignment from gradle.properties
AbstractRequestParam implementation and changing code of existing Params implementation
added static default instance of HttpClient, without removing option to create new custom configured instance
Checking null options argument, added Javadoc
Added default licensed package-info.java files
Merge commit 'd16215a6e66d62ef74951e8abb220cf7692b88bc'