MB-8295: Prepare storing development views

The development views will use the same code as the
production view, but need to be stored in a different
directory as the filenames will be the same.

This commit needs to be merged together with:
http://review.couchbase.org/26384

Change-Id: Ibccb0b02601e9fad0bf2ee778b43b7b481e20e11
Reviewed-on: http://review.couchbase.org/26386
Reviewed-by: Filipe David Borba Manana <fdmanana@gmail.com>
Tested-by: Filipe David Borba Manana <fdmanana@gmail.com>