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 941029] Add a non-functional selectors to avoid breaking tests
Merge pull request #551 from alexgibson/bug-941029-add-a-non-functional-selectors-to-avoid-breaking-tests

[fix bug 941029] Add non-functional selectors to avoid breaking tests
[fix bug 941814] Update swag section on FAQ.