adding unmaitained tags to docs

Author: Ric Harvey

docs/versioning.md

@@ -19,5 +19,12 @@ The latest tag will always follow the master branch in git. the other versions w
 | 1.1.1 | 1.1.1 |1.11.9 | 7.1.1 | 3.4 |  0.2.5 |
 | 1.1.2 | 1.1.2 |1.11.10 | 7.1.1 | 3.4 |  0.2.6 |
 | 1.1.3 | 1.1.3 |1.11.10 | 7.1.2 | 3.4 |  0.2.6 |
+| 1.1.4 | 1.1.4 |1.11.10 | 7.1.2 | 3.4 |  0.2.6 |
+| 1.1.5 | 1.1.5 |1.11.10 | 7.1.2 | 3.4 |  0.2.7 |
 
 These tags will be created as releases on GitHub and as tags in docker hub.
+
+### Unmaintained tags:
+
+- php5
+- php7