Add flexbox support for webkit and IE.
Add flexbox support for webkit and IE.
Add CSSLint flags to ignore linting flexbox rules
Add Grids manual test for wrapping grids
Update HISTORY and code comments for Grids Flexbox
Merge pull request #190 from ericf/grid-flexbox

Use CSS3 Flexbox in Grids when possible
Bump version to 0.3.0-rc-3