remove unused method get metadata
use pbl script to communicate
depend on newer perl bootloader
remove complete direct Bootloader API
update gitignores
fix build
adapt to changes in pbl
remove state file when doing clear initialization
Merge pull request #27 from yast/strip_direct_pbl

Strip direct pbl
- use pbl-yaml script to communicate with perl-Bootloader
- 3.2.0
set version to 3.1.1 to keep in sync with other yast modules