Now that starts_at and ends_at are DateTimes we need to build the eve…

…nts in the tests with datetimes. Otherwise we could see some troubles with timezones and edge values (events at 12AM belonging to the previous day)

Conflicts:

	spec/requests/refinery/calendar/events/index_date_filters_spec.rb
	spec/requests/refinery/calendar/events/mini_calendar_spec.rb

spec/models/refinery/calendar/event_spec.rb

@@ -36,6 +36,7 @@ module Calendar
         before :each do
 
           FactoryGirl.create(:event, starts_at: Date.tomorrow - 2.hours)
+          FactoryGirl.create(:event, starts_at: Date.tomorrow.beginning_of_day)
           FactoryGirl.create(:event, starts_at: Date.tomorrow + 2.hours)
           FactoryGirl.create(:event, starts_at: Date.tomorrow + 6.hours)
           FactoryGirl.create(:event, starts_at: Date.tomorrow + 12.hours)
@@ -46,7 +47,7 @@ module Calendar
 
         subject { Event.on_day(Date.tomorrow) }
 
-        its(:length) { should == 4 }
+        its(:length) { should == 5 }
 
       end