Show hide for phone and tablet

fix typo in grid_flexible.html example
WIP - spiking on before / after bug
Merge pull request #1 from alexwolfe/mobile-hide-visible

Show hide for phone and tablet
example before and after
Pruned comment
Merge pull request #2 from alexwolfe/before_bug

Before bug
Adds phone-b phone-a tablet-b tablet-a and cleans up options a bit

prune comments
Merge pull request #3 from alexwolfe/phone_tablet_before_after

Adds phone-b phone-a tablet-b tablet-a and cleans up options a bit
Fix bug where using .nb or .na removed the margin, but did not update the width to compensate

Conflicts:
	css/grids.css
Merge pull request #5 from CodingZeal/na_nb_width_fix

Fix bug where using .nb or .na removed the margin, but did not update th...
Updated bower.json to match current release
Bumped to 0.1.0
Added ignore to bower.jso
Merge branch 'master' of github.com:alexwolfe/Grids