Add first grid layout
Add layout gallery and preview.png for first layout
Merge pull request #12 from keenlabs/layouts

Layouts
Update parking dashboard demo labels
Merge pull request #13 from keenlabs/layouts

Update parking dashboard demo labels
Update styles for <hr> tags in fluid app layouts
Merge pull request #14 from keenlabs/layouts

Update styles for <hr> tags in fluid app layouts
Update responsive layout col widths
Merge pull request #15 from keenlabs/layouts

Update responsive layout col widths
Add/rename sections
Update README with a little more substance
Incorporate latest