sorted flag categories in webfrontend
Merge pull request #390 from t-gerhard/flag_fix

sorted flag categories in webfrontend
Fixed topology remove
Only using ionice if we are root
Added nomails flag
Merge pull request #393 from dswd/nomails

Added nomails flag
Merge pull request #394 from t-gerhard/contact_form

Contact form
Using try-catch
Merge pull request #391 from dswd/fix-delete

Fixed topology remove
Merge pull request #392 from dswd/fix-ionice

Only using ionice if we are root
Merge branch 'master' of ssh://github.com/GLab/ToMaTo into help_in_homepage