Added select for datagrid.
Removed updated copying for images as the old method seems to work.
Added fulltest back in to default grunt task.
Took care of review concerns.
Resolved issues discussed in code review.
Resolved merge conflicts.
Added capability to programmatically remove selected items.
Adjusted column width so it doesn't shift when row is selected.
Added test cases for datagrid row(s) selection.
Updates per code review.
Improved datagrid select code. Updated datagrid test cases.
Replaced dist files to originals as found in 2.5.1-wip branch.
Fixed problem in datagrid-test.js
Updates per review comments.
Merge pull request #363 from andyengle/feature-datagrid-select

Reviewed, it all checks out... thanks for the sweet feature add!