Updated dataGrid for Halo changes, removed unneeded variables, updated kitchensink for large scale work

Modified kitchen sink for better test cases
Modified kitchen sink to better demonstrate sorting and pagination

Removed simpleValue usage

Fixed simplevalue reference

Modifications to data grid rendering, datagrid cleanup and work done in dataGridNew

Fixed issues with data changing dataGridNew's v.items before component is rendered

Fixed broken insert/remove

style changes

Fixed datagrid resizing, renamed functions, added features to kitchensink
Swapped dataGridNew into dataGrid and deprecated dataGrid

Cleaned up some helper code, added some comments, fixed selection and select all, added selection testing to kitchen sink

Exposed attributes for controlling datagrid async rendering
Temporarily disabled not working datagrid tests until we can address them
Changed file header to pass validation
Merging origin/jye/master-pending-datagridmodstry3 into master