Upgrade jQuery UI Timepicker to v0.3.2

The date picker elements were creating errors due to the use of the depreciated jQuery.browser method. This fixes the problem and works with jQuery 1.9.  All tests pass but one (rspec ./spec/integration/config/list/rails_admin_config_list_spec.rb:399 # RailsAdmin Config DSL List Section default sorting has reverse direction by default) which is the same as master branch.