Update change log

Author: Igorbek

CHANGELOG.md

@@ -3,6 +3,7 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+## [1.11] - 2018-01-14
 ## [1.11-alpha] - 2017-12-12
 ### Added
 - Added change log
@@ -37,6 +38,7 @@ All notable changes to this project will be documented in this file.
 ## 1.7.10908.1101-beta - 2014-10-03
 
 [Unreleased]: https://github.com/igorbek/CodeContracts.MSBuild/compare/v1.11-alpha...HEAD
+[1.11]: https://github.com/igorbek/CodeContracts.MSBuild/compare/v1.10.1...v1.11
 [1.11-alpha]: https://github.com/igorbek/CodeContracts.MSBuild/compare/v1.10.1...v1.11-alpha
 [1.10.1]: https://github.com/igorbek/CodeContracts.MSBuild/compare/v1.10.0...v1.10.1
 [1.10.0]: https://github.com/igorbek/CodeContracts.MSBuild/compare/v1.9.10714.3...v1.10.0