first cut of default leave requests
cleaning up abilities and locking down access more carefully. Filtered leave balances view to obey show option.
leave balances should only show balances for leave types that are allowed to be seen.
working on leave balances
leave balances views.
enabled test_unit again.
standard rails tests now running as planned. enable locales to supress the annoying error.
added new/edit/create tests for leave balances controller. validation tests for leave balances model.
added update tests for leave balances.