Services are versioned through top-level package. The package itself
contains an HTTP header that will be bound to the '/version' endpoint of
each of the available services.
Signed-off-by: Dejan Mijic <dejan@mainflux.com>
Setup top-level glide dependencies file. Migrated all of the manager
service code into this repository. Fixed docker build procedure.
Extracted executable to the top-level.
Signed-off-by: Dejan Mijic <dejan@mainflux.com>