Add k-valid to controls that have been validated
Merge pull request #1 from telerik/master

Update main
Updated class terminology to match valid/invalid states; added first k-valid test
Test: do not add valid class to invalid controls
Test: valid class is removed if the input invalidates
Added validation tests
Merge branch 'asdfhjlk' into add-k-valid-to-validated-controls
Remove local test steps
Merge pull request #445 from BrianMcBrayer/add-k-valid-to-validated-controls

Add k-valid to controls that have been validated