Commented Feature: Tweet.PublishTweet(ITweet) should update the tweet [2046]

Tweet.PublishTweet returns a Tweet. PublishTweet should send back a boolean representing the success of the action.

The tweet passed as a parameter should be updated.
Comments: Associated with changeset 34858: Version 0.9.0.2
- Updated PublishTweet(ITweet) so that it update the tweet and returns a boolean informing of the success or failure of the operation.
- User.GetUserTimeline now pass the maximumTweets and excludeReplies parameter correctly
- Updated FakeItEasy as it caused one of the test to fail
- Updated all related tests