add colors to the rur-builder
Merge branch 'master' of https://github.com/dobots/rur-builder into origin
zeromq ports compile!
backend is the wrong term for middleware
made helper functions protected, so that zmqconnect can use them
zeromq seems to run now
Merge branch 'master' of https://github.com/dobots/rur-builder into origin

Conflicts:
	rur-builder
Merge pull request #6 from vliedel/master

zeromq middleware working again