Prevent drop down menu from being cut off

If the menu was wide enough some of it could be cut off when it was
displayed.
Align right
Merge pull request #3048 from charlierudolph/batch_actions_dropdown

Prevent drop down menu from being cut off
custom row class for index
add some subheadlines to the README
remove the copyright year from the LICENSE; ref #3089
Merge pull request #3086 from dmitry/custom_row_class_index

Custom row class for index
Merge pull request #3088 from timoschilling/patch-1

add some subheadlines to the README
Add xdan-datetimepicker-rails and datetime_picker input
Rename to combined_date_time_picker, add specs
Fix the broken datepicker and combined_date_time_picker specs
Add docs for combined date-time picker
Properly add datetimepicker to its fields

This will now go through the page and find all fields
which will use the combined date-time picker and set them up
on page load. It will also go through and find relevant fields
to set up whenever a has_many field is added.