MF-370 - Simplify and refine CI (#541)
MF-370 - Simplify and refine CI (#541)

* Add CI script

Signed-off-by: Dusan Borovcanin <678243bfa09a6ebf4a586bfa2057e53cece31497@mainflux.com>

* Fix indentetion

Add script explanation comment.

Signed-off-by: Dusan Borovcanin <678243bfa09a6ebf4a586bfa2057e53cece31497@mainflux.com>

drasko/mainflux,drasko/mainflux,drasko/mainflux,Mainflux/mainflux-lite