Merge pull request #1 from hotosm/master

update from source
Add transifex-client to the setup.py
Update about_text in the template (required for i18n)
Update existing translation files
Add localization documentation
Add Transifex configuration files
Update README.md
Document how to enable new languages in pyramid
Merge pull request #176 from dodobas/transifex_integration

Transifex integration
Merge pull request #2 from hotosm/master

update repo
update github link
add HOT link
Merge pull request #185 from mappingdc/github_link_fix

update Github repo url, add HOT link to footer
Adding columns and relationship to model for tasks assign
Adding view for assigning tasks. With tests.
Show list of assigned task in empty template
Assignee. With interface cosmetics.
Close task button works again
Adding missing template for assignee
User is Undefined when not authenticated