Play update

Latest version of Play (2.1.2)

Here is a list of what is in the release (http://www.playframework.com/changelog).

810 - Fixed XPath.selectText regression
820, 1229 - Made matching of Accept-Language headers spec compliant
839 - Ensured application loading is not done on a Netty thread
851 - Ensured Java actions use the right context classloader
924 - Allowed charset parameter to have quotes
945 - Fixed HTTP pipelining support
959 - Ensured chunked and stream results terminate
978 - Safe handling of incorrectly encoded URL paths
984 - Support for config.resource system property in dev mode
1050 - Switched to Scala ForkJoin pool
1090 - Performance improvements
1152 - Fixed 100-continue support