Merge pull request #29 from habuma/master

Sync up on security integration work and updates to dependencies.
Merge pull request #30 from habuma/master

Sync up including many refactorings around config and security integration
Merge pull request #31 from habuma/master

Upgrade to Gradle 1.4
Merge pull request #32 from habuma/master

Refactored social authentication service property to be set by overridable method call instead of clumsy and non-typesafe String name reference.