fix compilation errors in RequestHandler

The Response should maybe moved into another file.
Play2WarCommands still do not compile. The map function
is not happy with so much variables to mapped.
fix compilation
update to scala 2.10.3
samply play app can run again
remove .toTask
fix version
use jar and not zip package
let method abstract to be sure it is overriden
Merge pull request #194 from yanns/play2.2

Play2.2