fixes #4047
Remove setting size for embed and object

Setting height: auto; for embed and object causes errors with rich media ads if the ad partner is setting the height at the attribute level. See comment https://github.com/zurb/foundation/pull/763#issuecomment-31139717
Using $block-grid-media-queries variable

$block-grid-media-queries used to generate media queries for block grid
Add !default for $form-input-error-message-top variable
updates for fixed off canvas menu
Merge branch 'offcanvasfixed' into 5.2-wip
close reveal on touchend, fixes #4478
Merge branch '5.2-wip' of github.com:zurb/foundation into 5.2-wip
Add drop directions.
Remove rtl.
Simplify random string.
cean up syntax, remove harsh password regex in abide.
Update Abide documentation.
Fix merge conflicts.
use this, not self for orbit events binding
Merge branch '5.2-wip' of github.com:zurb/foundation into 5.2-wip
Merge conflicts.
Merge branch '5.2-wip' of github.com:zurb/foundation into 5.2-wip
get rid of those stupid colors on off canvas
Fix interchange typo.