Add option to sort buglist in descending order

For unprioritized items the ones needed seem to be often the latest, so
it's easier if they are sorted by id in descending order
Fix team removal
Fixes to pass bugzilla template tests
Add is_active flag to team

* DB field
* Editor to change the team active status and name
Split active and inactive teams in team list
Bugzilla 4.4 compatibility fixes

Fixes #8, fixes #11
Fix 'include_list' param in burndown chart
Fix for the WebService bug to hash on BZ 4.4
Fix the timetracking field names in the help
Fix copy paste error