Radial progress 1st iteration

Not exactly to comps but not bad either.
ehnc put radial progress logic in template

Uses same calculations done in sass code and does them in the
template.
Radial progress 1st iteration

Not exactly to comps but not bad either.
ehnc put radial progress logic in template

Uses same calculations done in sass code and does them in the
template.
Fix unit tests

Still need to figure out how to include humanize amount in there.
Merge branch 'ehnc-radial_progress' of github.com:msecret/peacecorps-site into ehnc-radial_progress