Remove filter from the default gradient LESS formula

It's too easy to end up passing a rgba value which will break ie7 in
combined_widths.css.  If a gradient MS filter is wanted, put it in
ie.less.
IE7 navigation CSS fixes
IE8 CSS fix to zoom, gradient on toolbox tooltips
Merge pull request #267 from smeranda/HTML5

Grid tweak for robust grid layouts.
Patch for modernizr. Close #268

https://github.com/Modernizr/Modernizr/commit/c9828ee23f983aec511400b1ea
7dd611e18e3188
Merge remote-tracking branch 'upstream/develop' into develop
Substitute > for \25B6 in breadcrumb for IE8
Use \25ba instead of \25b6 for breadcrumb arrow

remove IE8 specific fix since 25ba works in all browsers
Merge pull request #269 from ericras/develop

Develop IE Fixes
Add release script

This script performs the recommended release operation:

 * Checkout release-x.y.z branch
 * Bump the VERSION_DEP number
 * Commit the changes
 * Tag the release
 * Merge to master branch
 * Push to origin/upstream/live
 * Merge back to develop
 * Delete temporary release-x.y.z branch
Checkout release-x.y.z before modifying VERSION_DEP
Merge pull request #271 from saltybeagle/270_create_release_script

Add release script
Replicate img frame/caption styles for figure/figcaption.

I'd like to propose the supported markup moving forward is the the new HTML5 elements figure/figcaption instead of applying styles to the image and then a paragraph for the caption.
Merge pull request #272 from smeranda/images

Replicate img frame/caption styles for figure/figcaption.
Bumped dependency version number to 3.1.1
Merge branch 'release-3.1.1'
Merge branch 'release-3.1.1' into develop
Allow #wdn_copyright to vertically expand. Close #273
Merge pull request #274 from smeranda/footer_fix

Allow #wdn_copyright to vertically expand. Close #273
Merge remote-tracking branch 'upstream/develop' into develop