initial UI using AngularJS

Change-Id: I7745de6c25b9c28d440e43c6681079116608d72b
Reviewed-on: http://review.couchbase.org/36780
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>