Added backlinks from host_{element,connection} to element and connection
added method to list all elements of a certain host
Fixed entity deletion
Fixed loading image
Merge pull request #389 from dswd/fix-loading

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

sorted flag categories in webfrontend
Fixed topology remove
expanded mailAdmins to support different contexts
Only using ionice if we are root
Added nomails flag
added contact form to webfrontend. help pages do not work anymore, but they will be removed in another issue either way.
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
external urls are now available as one dictionary in the backend api
[untested] editor now uses external help
Merge branch 'master' of ssh://github.com/GLab/ToMaTo into help_in_homepage