Commented Feature: Implement Delete Mute [2214]

Implement the mute endpoint : [https://dev.twitter.com/docs/api/1.1/post/mutes/users/destroy](https://dev.twitter.com/docs/api/1.1/post/mutes/users/destroy)
Comments: Associated with changeset 42703: Version 0.9.7.0
- Implemented Delete Mute
- Added Create Mute to ILoggedUser