support "Staging2-DVD"
Merge pull request #60 from lnussel/stagin2

support "Staging2-DVD"
don't abort iso registration if one job creation fails
return error reason when job_create fails
get known variables from distro
Merge pull request #61 from lnussel/variables

Variables 2214
settings box
allow colons in path names
allow any string as version
use backend column for machine instead
add line break before selection

the line break shortens the width of the columns
Merge pull request #63 from lnussel/master

Master
allow to list jobs that use a specific asset
Merge pull request #64 from lnussel/master

allow to list jobs that use a specific asset
showing different machine type if have a same test
add MACHINE key/value to settings in the fixture
Merge pull request #65 from nilxam/fix_overview_page

showing different machine type if have a same test
apparmor: being able to read hdds is useful for update tests
Merge pull request #66 from os-autoinst/fix_apparmor

apparmor: being able to read hdds is useful for update tests
get rid of $ENV variable