Added the basic structure for the index.
Changed helper method widget_donation_data to widget_donation_this_year_data.
Changed javascript method donationsWidget to donationsThisYearWidget.
Added a widget that shows total donations per year.
Changed method name in previous commit, but needed to updated test to reflect change.
Limited the yearly data to 10 years tops.
Fixed broken rspec test.
Updated forms to use new layout.
Added sort order to donations query.
Fixed formatting on the donation form for the amount.
Merge branch 'clean_up_donations' into develop