Make Flex kinds "WIP", since they are still undergoing development and the current implementation has issues preventing use in all cases.

Enyo-DCO-1.1-Signed-off-by: Kevin Schaaf <kevin.schaaf@lge.com>
Merge pull request #30 from enyojs/wip-cleanup-kevinpschaaf

Make Flex kinds "WIP", since they are still undergoing development and t...

Reviewed-By: Gray Norton <gray.norton@lge.com>