Added ability to communicate from and to a specific client-handler (idenfied by <topic>/<channel>;connection_id=<connection_id>).

* Modified converter-m2mp to add a special command 'disconnect_me'
DB: Fixed TS requesting.

It was broken because the UT are broken and time-series fetching is pretty much never used in go.
M2MP receiver + converter changes
Added first draft of ALIP protocol receiver
Merge branch 'master' of github.com:fclairamb/m2mp