Remove dates rom changelog, use links to releases instead

CHANGELOG.md

@@ -1,23 +1,23 @@
 Change Log
 ==========
 
-Version 0.3.1 *(08/02/2017)*
+[Version 0.3.1](https://github.com/novoda/gradle-static-analysis-plugin/releases/tag/v0.3.1)
 --------------------------
 
 - Honour exclude filters in Findbugs tasks ([PR#20](https://github.com/novoda/gradle-static-analysis-plugin/pull/20))
 
-Version 0.3 *(27/01/2017)*
+[Version 0.3](https://github.com/novoda/gradle-static-analysis-plugin/releases/tag/v0.3)
 --------------------------
 
 - Honour project variants when creating tasks for Checkstyle and PMD ([PR#16](https://github.com/novoda/gradle-static-analysis-plugin/pull/16))
 
-Version 0.2 *(14/11/2016)*
+[Version 0.2](https://github.com/novoda/gradle-static-analysis-plugin/releases/tag/v0.2)
 --------------------------
 
 - Improved `exclude` rules support ([PR#8](https://github.com/novoda/gradle-static-analysis-plugin/pull/8))
 - Enforced default effort and report level for Findbugs ([PR#6](https://github.com/novoda/gradle-static-analysis-plugin/pull/6))
 
-Version 0.1 *(09/11/2016)*
+[Version 0.1](https://github.com/novoda/gradle-static-analysis-plugin/releases/tag/v0.1)
 --------------------------
 
 - Initial release.