MB-7100: added csv-json: sink

Change-Id: Ic7f895d425169d3384c4e00c18bc8bbd0028b7aa
MB-7100: CSV import parses 00000 as a string, not as int 0

Change-Id: I4febf6607b3a39bf23d0dff7ac674c02871d5fb4
MB-7103: CSV import error handling on malformed rows

Change-Id: Ibc55b411505cf9681975a47c83addec7dd611c3f
CBD-281: Rename filename to avoid conflicts

Both mc_bin_client.py and memcacheConstants.py are deviant from
that from ep_engine. Better to give them unique name to avoid
file overlapping during build
These two files are self sufficient for tools project.

Change-Id: Ia2847388a75a8fa60cfbb461d1bddcbbef43c5cc
MB-7100: Added csv-json sink

Change-Id: I096967f0759f9e0d643a91fc3a52f5ed2b550a9c
CBD-798: Add design spec for cbrecovery tool

Change-Id: Iaf3bd50975ea0923d48a25cbf468e60f71c74c81