Dashboard overview numbers. Closes #122."
Initial charting. #113
Add DashData service. #113
Add dash-filter directive. #113
Add ChartUtils service. #113
Adjust getDistribution code to work for multiple filter options.
Code structure and cleanup. #113
Remove OpenID links from admin login.
CSV download for any /reports/distribution/ result.
Move download button.
Login screen styling. #112
Fix dash login/logout. Towards #129.

Primarily:
Added reverse lookup for 'dashboard' in urls.py
Removed setting of hidden input item 'next' in admin login form
Added registration to installed apps along with template files from usvi
Dash login styles.
Further dashboard styles. #112
Allow wildcard matching on distribution filters.
Add unselect all to the planning unit map to balance the select all. Closes #125.
Update dash side nav and routing.
Sort, unique and remove HTML tags for dash-filter options.
Merge branch 'ost-dashboard'