Update changelog for the 0.5 release

Author: muggenhor

CHANGELOG.md

@@ -1,6 +1,6 @@
 Please see [CONTRIBUTING.md](https://github.com/cucumber/cucumber/blob/master/CONTRIBUTING.md) on how to contribute to Cucumber.
 
-## In Git
+## [0.5](https://github.com/cucumber/cucumber-cpp/compare/v0.4...v0.5) (2 July 2018)
 
 ### Added
 

CONTRIBUTING.md

@@ -66,7 +66,7 @@ Here is an [Example](https://github.com/cucumber/bool/pull/12) of this process i
 - Release commit (e.g. [fdf8a5c](https://github.com/cucumber/cucumber-cpp/commit/fdf8a5c4ef4c51dfa7ea82077f706414a4c6322d)):
   - Change `CHANGELOG.md` renaming the "In Git" section with the
     release number and date
-  - Commit with message `Updated history file for the X.Y release`
+  - Commit with message `Update changelog for the X.Y release`
   - Create an annotated tag for this commit named `vX.Y`
 - New development branch commit (e.g. [da60995](https://github.com/cucumber/cucumber-cpp/commit/da609956fcd42046e5182c6226acd7e53dd7754e)):
   - Add new "In Git" section to `CHANGELOG.md`