Prepping v1.15.0 release

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ## [Unreleased]
 
+## [1.15.0] - 2016-04-30
 ### Added
 - This file!
 - Support for placeholders in flag usage strings
@@ -250,7 +251,8 @@ signature of `func(*cli.Context) error`, as defined by `cli.ActionFunc`.
 ### Added
 - Initial implementation.
 
-[Unreleased]: https://github.com/codegangsta/cli/compare/v1.14.0...HEAD
+[Unreleased]: https://github.com/codegangsta/cli/compare/v1.15.0...HEAD
+[1.15.0]: https://github.com/codegangsta/cli/compare/v1.14.0...v1.15.0
 [1.14.0]: https://github.com/codegangsta/cli/compare/v1.13.0...v1.14.0
 [1.13.0]: https://github.com/codegangsta/cli/compare/v1.12.0...v1.13.0
 [1.12.0]: https://github.com/codegangsta/cli/compare/v1.11.1...v1.12.0