Commented Task: Web Layer refactor to use HttpClient [2614]

Complete refactor of the WebLayer

Still need to refactor ExecuteQueryWithTemporaryCredentials
Comments: Associated with changeset 44963: Version 0.9.9.x
- Updated Credentials generation methods to properly use the new WebLogic structure
- Updated CredentialsCreator logic to simplify the development
- Updated CredentialsCreator logic to no longer circumvent the TwitterRequester