Added pad behavior to gridRow.

Added an option to pad a gridRow to line up with any columns within adjacent rows.

Example: http://cl.ly/M4Ri

Top: @include gridRow;
Bottom: @include gridRow(pad);
New feature: Switch.

Switches can be used instead of regular radio buttons, to switch between two or more options. They are very customizable and use styles from other components such as buttons or panels.

The switches are CSS-only, and only show-up on modern browsers. Browsers without support for media queries get standard form elements.
Add deep linking to sectioned content.
Set padding on sectioned tabs, allow one up for accordion.
Update sectioned example.
update
Update README.md Wordpress Credit Drewsymo
Merge pull request #1373 from davidmerrique/4.0-wip-gridRow-pad-behavior

Added pad behavior to gridRow.
added button-test page, will remove later
Merge remote-tracking branch 'ghinda/switch' into ghinda-pr2
added #1414, which adds switches to Foundation 4
Add filter for old browsers.
Merge branch '4.0-wip' of github.com:zurb/foundation into 4.0-wip
Merge pull request #1490 from jcwebs09/4.0-wip

Update README.md Wordpress Credit Drewsymo
refactored and reorganized scss component files for better readability and discovery
Merge branch '4.0-wip' of github.com:zurb/foundation into 4.0-wip
deleted old files and folders
added Compass mixin we use into core to remove Compass dependency being built in
changed a few file names, variables, made button group mixin
updated button-group mixin