[bug 937066] Generate humans.txt for mozillians.org
[Bug 741604] use names rather than numbers for external account types
[Fix Bug 741604] Add multi-website support
[Bug 741604] fix dict comprehension syntax in migration for python 2.6
[Fix Bug 938923] fix wrapping of websites field on user profile
[fix bug 932987] Move templates to 'mozillians' app root.
[fix bug 938037] Fix image path in 500.html.
Merge pull request #718 from glogiotatidis/500error

[fix bug 938037] Fix image path in 500.html.
[fix bug 938491] Add *.wp.com in CSP_IMG_SRC.
[fix bug 937104] Update to latest playdoh.

This commit also removes django-browserid from vendor-local since
playdoh is now up-to-date.
Merge pull request #681 from Sancus/741604-multi-websites

[Fix Bug 741604] Add multi-website support
Merge pull request #719 from glogiotatidis/csp

[fix bug 938491] Add *.wp.com in CSP_IMG_SRC.
Specify python 2.6 in install docs
Merge pull request #721 from hoosteeno/docs

Specify python 2.6 in install docs
Merge pull request #717 from glogiotatidis/playdoh-upgrade

[fix bug 937104] Update to latest playdoh.
Merge pull request #722 from Sancus/938923

[Fix Bug 938923] fix wrapping of websites field on user profile
Update README with more information and useful links
Change README to markdown file format
Fix markdown syntax error
[Fix Bug 932776] Make external accounts unique by (identifier, type)