Merge pull request #23 from an-tex/master

int overflow for document expiration >30days
Better forwarding actor
Release 0.2
Update to 0.3-SNAPSHOT
Fix #20
Update to Scala 2.11 and Play 2.3
Remove case
Add custom Id generation
Fix cross version
added extra spec to counters
fixed problems with increment/decrement counters. Int/Longs need to be stored a string values, otherwise couchbase won't be able to increment/decrement. Note that we cannot increment a key, that is set like client.set("counter",1) because the sdk will translate it to something like \x01
Merge pull request #29 from nielsboldt/counters

added extra spec to counters