Started work on tests for unique value directive
Trying a different approach to invoke blur
Implemented test cases for unique value directive

Fixed issue with calling blur event from unit test cases and implemented
required tests
stackdump
Added some new tests

Refined the tests in unique spec and started writing tests for overlay
Added test specs for the modalService
Merge pull request #8 from sravikiran/master

Added tests for the directive wcUnique and the service modalService. Started writing tests for overlay, will continue to work on it