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Add example for implementing HTTP 401 AUTH using the library.
Update AsyncHttpResponseHandler.java
Merge pull request #623 from grumoon/master

Update AsyncHttpResponseHandler.java
Merge remote-tracking branch 'origin/master'
Fixed LINT issues + renamed Http401Auth class.
Couple of fixes.
Merge pull request #622 from fineswap/Http401Auth

Add example for implementing HTTP 401 AUTH using the library.