made deactivation/deletion of the last superuser disabled

enhance performance
overrided User.save() to check whether the user is the last superuser
added test cases for deactivation/deletion for superuser
Merge pull request #42 from sh1r0/bug867346

made deactivation/deletion of the last superuser disabled
Update our address to the new MV office
fix to .travis.yml
add temp exclusion for broken pip packages in mavericks
updating a few packages to try to fix travis build
updated pygments
add markupsafe
updated reqs
updated reqs
Merge pull request #57 from mozilla/fix-travis-build

fix to .travis.yml
Merge pull request #56 from stephendonner/address

Update our address to the new MV office
pinning to master HEAD of moztrap-reqs
django 1.4.5 to 1.4.11
new moztrap-vendor-lib
Merge pull request #58 from peterbe/django-145-to-1411

Django 145 to 1411
fix for broken pjax loading in results/run
Merge pull request #59 from peterbe/fix-for-broken-pjax-loading-in-resultsrun

fix for broken pjax loading in results/run