bash: fix bash completion with $PWD
This update for bash and aaa_base fixes several bash completion issues (i.e. the expansion of environment variables when pressing TAB, like $PWD).
- fix chkconfig for systemd (bnc#732934)
- Submitted by Dr. Werner Fink (WernerFink)
Fixed bugs
bnc#725657
bash completion $PWD wrong
bnc#752422
bash: path completion converts paths to absolute
bnc#738501
bash: completion of ~/subdir is wrong
bnc#732934
chkconfig service on|off does not work with systemd