Provide and use functions for logging
Provide and use functions for logging

This makes success, info, warning and error logging consitent and colourful.

jouvin/release,stdweird/release,jrha/release,quattor/release,brunocanning/release,jrha/release,jouvin/release,jrha/release,jouvin/release,wdpypere/release,wdpypere/release,brunocanning/release,brunocanning/release,stdweird/release,quattor/release,wdpypere/release,quattor/release