Updates the charm to point to Couchbase 2.0 stable rather than the be…
…ta. Also allows users to choose any permutation of 1.8/2.0 and enterprise/community.
Adding enterprise versions
Default release -> 2.0
Adding maintainer field
Added config option for devel and stable versions
Patched charm with latest changes from Couchbase/Steve Yen
strong config types
Added config.yaml file and updated charm to use variables from config…
….yaml. Updated membase binary to use proper bucket type.
cleanup after project rename