Ignore resource directories when trying to loadMessages in MessagesPlugin, otherwise app don't start if there's a matching directory
Merge pull request #2109 from orrsella/messages-fix

Having a "messages/" directory under resources throws exception during startup, fails app
Fixed a bug in documentation comments
Doc: Add instructions to config override

First add an example of command line overrides, also describe how to make it work for tests.
Upgrade to Guava 16.0.1 to fix JDK and Guava TypeVariable compatibility: https://code.google.com/p/guava-libraries/issues/detail?id=1635
Merge pull request #2353 from gmethvin/ehcache

Make ehcache config resource configurable
Merge pull request #2360 from platy/patch-2

Doc: Add instructions to config override
Merge pull request #2356 from deniskr/patch-1

Fixed a bug in documentation comments
Merge pull request #2361 from benmccann/guava-upgrade-16_0_1

Upgrade to Guava 16.0.1 to fix JDK and Guava TypeVariable compatibility
Add injection provider to allow for dependency injection of plugins