Merge branch 'timezones' of git://github.com/epall/tracks into master.

Re-wrote all Date-related code to use Datetimes, created a migration to get rid of all date columns in the database, and got rid of Time.now calls that were not time zone-aware. Lots of time zone goodness!

test/functional/projects_controller_test.rb

@@ -25,7 +25,7 @@ class ProjectsControllerTest < TodoContainerControllerTestBase
     assert_equal 1, assigns['deferred'].size
 
     t = p.not_done_todos[0]
-    t.show_from = 1.days.from_now.utc.to_date
+    t.show_from = 1.days.from_now.utc
     t.save!
     
     get :show, :id => p.to_param

test/functional/recurring_todos_controller_test.rb

@@ -114,7 +114,7 @@ class RecurringTodosControllerTest < ActionController::TestCase
     new_todo = Todo.find_by_recurring_todo_id 5
     
     # due date should be the target_date
-    assert_equal Time.utc(target_date.year, target_date.month, target_date.day), new_todo.due
+    assert_equal users(:admin_user).at_midnight(Date.new(target_date.year, target_date.month, target_date.day)), new_todo.due
     
     # show_from should be nil since now+4.days-10.days is in the past
     assert_equal nil, new_todo.show_from

test/functional/todos_controller_test.rb

@@ -137,7 +137,7 @@ class TodosControllerTest < Test::Rails::TestCase
     assert_equal "Call Warren Buffet to find out how much he makes per day", t.description
     assert_equal "foo, bar", t.tag_list
     expected = Date.new(2006,11,30)
-    actual = t.due
+    actual = t.due.to_date
     assert_equal expected, actual, "Expected #{expected.to_s(:db)}, was #{actual.to_s(:db)}"
   end
 
@@ -328,7 +328,7 @@ class TodosControllerTest < Test::Rails::TestCase
     assert t.active?
     assert_equal 'test notes', t.notes
     assert_nil t.show_from
-    assert_equal Date.new(2007,1,2).to_s, t.due.to_s
+    assert_equal Date.new(2007,1,2), t.due.to_date
   end
   
   def test_mobile_create_action_redirects_to_mobile_home_page_when_successful