Added a mock xmlrpc to test blog
Added a constructor for the blog
Added a test for blog's constructor
 Cleared an error in xmlrpc mocker
Pre authenticate function to get username, password and other details
Test for the pre authenticate function
Removed some parts of test of pre authenticate which is not working
Added a function to get username and password from user.
Added a test for customer details
Added a function to compose post
Finished blog plugin.  Added a function to post on the blog
Added a test for post method.
added test for compose post method
Merge branch 'master' of github.com:niyaspavil/Broadcaster