adding the ability to specify the timeout duration and timeout unit for the internal future on memcached.
unify results of getting value for an empty key
unify behaviour of setting & deleting values with empty key
Merge pull request #24 from mkubala/master

Empty keys - kind of ehcache compilance, avoiding IllegalArgumentExceptions
Merge branch 'master' of github.com:rmmeans/play2-memcached into rmmeans-master

Conflicts:
	plugin/src/main/scala/com/github/mumoshu/play2/memcached/MemcachedPlugin.scala
Support for hashing keys

Support for hashing keys added.
I've left out namespaces for security reasons (nobody can get into
another application's namespace using collisions)
Merge pull request #26 from s-a-y/master

Hash keys before each operation
Update README with setup instructions for Play 2.1, 2.2, 2.3
Update README
Sun/Oracle JDK 6 is EOL since November 2012.