Reorganized tests into slow and not
Modified data sync tests to use unittest2 and mocks
Fixed bug when done card without start date wigs out the std_dev calculation.
Replaced team config access with teams service in views and boards
Replaced team config access in team.html template
Removed team config access from test files
Added support for setting a team's WIP limit
Added find_by_name
Displaying team wip_limit if present
Merge branch 't128' Fixes #128