897441 - Yast2 Certificate module are broken
Merge pull request #15 from varkoly/SLE-12-GA

897441 - Yast2 Certificate module are broken
proper maintenance target
addded .travis.yml
added more checks in .travis.yml
Merge remote-tracking branch 'origin/SLE-12-GA'

Conflicts:
	.travis.yml
	Rakefile