enriching README with infos on play-pluggins-redis
Adding dependencies for plugin 'play-plugins-redis'
CORRECTION of commit 13676c64df833019465e1930ddc722cd98a27f40

adding the play template for the jedis page
Creating a testing page for JOhm.
(Just saving a simple bean, and retrieving it.)
Unfortunatly, JOhm depends on Jedis 1.5.1 (last version is 2.0.4). Therefore I had to downgrade the version of Jedis in the Build.scala