Added mysql credentials to complete section.

Adding-PHPCI-Support-to-Your-Projects.md

@@ -39,6 +39,9 @@ test:
 
 complete:
     mysql:
+        host: "localhost"
+        user: "root"
+        pass: ""
         - "DROP DATABASE IF EXISTS test;"
 ```
 
@@ -46,7 +49,7 @@ As mentioned earlier, PHPCI is powered by plugins, there are several phases in w
 
 * `setup` - This phase is designed to initialise the build procedure.
 * `test` - The tests that should be run during the build. Plugins run during this phase will contribute to the success or failure of the build.
-* `complete` - Always called when the `test` phase completes, regardless of success or failure.
+* `complete` - Always called when the `test` phase completes, regardless of success or failure. **Note** that is you do any mysql stuff here, you will need to add the mysql credentials to this section as well, as it runs in a separate instance.
 * `success` - Called upon success of the `test` phase.
 * `failure` - Called upon the failure of the `test` phase.