Add Askeladden

The Askeladden branch is the memcacheds team manifest
for the release following Sherlock.

Follwing the name scheme outlined for Sherlock, we (read I) chose
Askeladden due to his optimistic, solution oriented and positive
attitude. For more information about Askeladden, see:

http://en.wikipedia.org/wiki/Askeladden

Change-Id: Ief116895eded783fbba9bcf4d630a98835f551de
Reviewed-on: http://review.couchbase.org/44094
Reviewed-by: Dave Rigby <daver@couchbase.com>
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Tested-by: Trond Norbye <trond.norbye@gmail.com>