Merge pull request #22 from jsuchome/master

- update mkisofs package requirement (bnc#856658)
Merge pull request #24 from jsuchome/master

update to support kiwi version 5.05.57 (fate#317123)
Merge pull request #25 from jsuchome/master

do not require SLE11 version of kiwi-schema
deprecate maintainer file
adapt Rakefile to submit to correct build service project in maintenance branch SLE-12-GA
Revert "adapt Rakefile to submit to correct build service project in maintenance branch SLE-12-GA"

This reverts commit 70a31841cb2ceefd66ef9639e50ede7a58772067.
added README.md with build status badges
added .travis.yml
Merge pull request #27 from yast/Travis

Travis support
use a shared script in .travis.yml
proper maintenance target
addded .travis.yml
added more checks in .travis.yml
Merge remote-tracking branch 'origin/SLE-12-GA'

Conflicts:
	.travis.yml
	Rakefile
remove X-KDE-Library (bnc#899104)
release
- require latest version of kiwi-schema: 6.2 (bnc#909280)
- drop obsoleted xen template
- added support for current image flags (bnc#901141)
- 3.1.7