use FindMountPoint() from Yast::String

removed the duplicated code from wagon_helpers.rb and it's testsuite
removed *.glade link hack
added doc/autodocs/.gitignore
Makefile.am cleanup
remove yast2-wagon-control-openSUSE subpackage

wagon has been dropped from openSUSE

- use %yast_controldir RPM macro
override "osc:sr" task to not submit the package to Factory

the package was dropped in Factory, SR will fail resulting
in Jenkins build failure
*.changes
move RegistrationStatusFromFile() to include/wagon/wagon_helpers.rb

so we can test it easier and drop yast2-update BuildRequires dependency
remove obsolete src/clients/.cvsignore
Merge pull request #9 from yast/cleanup

Cleanup