Initial commit with new section in documentation (Flexbox)
Add casperjs and basic test. Add Flexbox Grig Example Page (just a copy of original one)
Update casperjs script (add viewports)
Improve tests (casperjs)
Copy grid to fgrid (duplication)
Improve testing solution
Add tests for fluid containers
Implement flexbox functionality
Update documentation
Add compiled files & fix duplicated ID
Merge branch 'flexbox'