Adjusts the shared-role for RBL

* Parameterizes the startup wait, useful on vagrant hosts
* Removes the installation of openjdk6, so we can use our oracle java
  7 jre
* Adds dependencies for our oracle java 7 jre
* Installs plugins used by RBL
Merge pull request #1 from RedBrainLabs/rbl-adjust

Adjusts the shared-role for RBL