added wdn-icons for social media
Merge pull request #589 from rklus16/wdn-icons

added wdn-icons for social media
Optimize navigation.js for size/speed.

Fixes regression of missing 'empty-secondary' CSS state.
Removes 'expand' event handler on fixPresentation(): mobile nav will
avoid secondary height calculation.
Merge branch 'develop' of github.com:unl/wdntemplates into develop
Upgrade UNL_Templates PEAR library
Use the default template, disable debug template use for preview
Strip h3 elements out of the footer contact info region
Merge branch 'develop' of github.com:unl/wdntemplates into update-preview-tool
Merge pull request #590 from saltybeagle/update-preview-tool

Update preview tool
added classes for wdn-locked
Merge branch 'develop' of github.com:unl/wdntemplates into band-imagery
Merge branch 'saltybeagle-band-imagery' of github.com:rklus16/wdntemplates into band-imagery
Use classes for wdn-locked region changes, where possible