support org.xml.sax.helpers.DefaultHandler for SAXParser
Merge remote-tracking branch 'upstream/master'

Conflicts:
	library/src/main/java/com/loopj/android/http/SaxAsyncHttpResponseHandler.java
fix Javadoc
Merge pull request #584 from topvas7450/master

fix Javadoc
Merge commit '604ae968c40a31eb56e93a96fc0d495a0b45a7bc'