replace obsolete README by README.md with build status badges
added .travis.yml
Merge pull request #177 from yast/Travis

Travis support
install ruby gems from rubygems.org
fix crash when kernel append is not yet proposed (bnc#902397)
Release
Merge pull request #179 from yast/fix_crash

Fix crash
fix build
Merge pull request #178 from yast/rubygems

install ruby gems from rubygems.org
fix activating branding regardless kexec result (thanks to @coolo and @DimStar77)
Release
properly sparate paths in kexec copy
do not show warning if boot from extended partition (bnc#898023)
add test for encrypted device
Merge pull request #184 from yast/fix_encrypted_devices

add test for encrypted device
Merge pull request #181 from yast/branding_activating

Branding activating
Merge remote-tracking branch 'origin/master' into fix_warning
release
Merge pull request #183 from yast/fix_warning

do not show warning if boot from extended partition (bnc#898023)
do not return /dev/null if cannot detect bootloader devices as it cause errors later