Update .gitignore to prevent changes on Eclipse metadata
Update to Play 2.2.1 (configuration)
Upgrade to PlayFramework 2.2.1
* http://www.playframework.com/documentation/2.2.x/Migration22
* Includes an upgrade to Jackson 2.2.2 (see
http://wiki.fasterxml.com/JacksonUpgradeFrom19To20)

BodyParsers
* http://www.playframework.com/documentation/2.2.x/JavaBodyParsers