Banner for cookies warning
Show cookies warning banner if not accepted
Accept cookies method
Refactor some code
Expire cookie after 120 days
Cookies policy page

The site allows to customize this page.
Responsive design and minor improvements
Unit tests for Cookies Warning
Documentation about Cookies Policy. Closes #559
Merge pull request #560 from PyBossa/issue-559-cookies

Issue 559 cookies
Change footer divs order.

This commit adds more information in the footer, showing first the links to the
resources, licenses, etc. and moving to the bottom the logos.
Add documentation about how to configure email and twitter contact info
Show map with anonymous volunteers for whole site
Show anonymous locations only if DAT file exists.
Merge pull request #561 from PyBossa/issue-general-stats-map

Issue general stats map
Include swig package in the installation process
Add video snippet
Add Video task template importer
Remove print
Add Video presenter