Keep server directories clean.

Delete *.pyc files from servers on deploy and remove untracked files and
directories from vendor-local.
Merge pull request #547 from glogiotatidis/clean-dirs

Keep server directories clean.
[fix bug 886594] Redirect to Mozillians if an event attendee is Mozillian.
Merge pull request #549 from akatsoulas/886594

[fix bug 886594] Redirect to Mozillians if an event attendee is Mozillia...
[fix bug 926992] Update dashboard templates to foundation 4
Merge pull request #515 from alexgibson/update-dashboard-foundation-4

[fix bug 926992] Update dashboard templates to foundation 4
[fix bug 940377] Upgrade django to version 1.4.10.
Merge pull request #550 from akatsoulas/940377

[fix bug 940377] Upgrade django to version 1.4.10.
[Fix bug 937699] Remove fixture dependencies from /events tests
* Add factories for the rest of event's models
* Add factories for the rest of profile's models
* Add missing docstrings in model factories
* Stop using test_utils.TestCase
* Implement inheritance between tests to setup environment
[Fix bug 937705] Remove fixture dependencies from /profiles tests