Merge pull request #3185 from pjackson28/lightboxtweaks

Lightbox: Added WAI-ARIA and support for aria-describedby and longdesc
Carousel: Fixed JavaScript issues and moved to new plugin template.
Merge pull request #3192 from pjackson28/carouselfix

Carousel: Fixed JavaScript issues and moved to new plugin template.
Build: Bump gh-pages for silent option

Related to #3125
Merge pull request #3191 from nschonni/v4-bump-gh-pages

Build: Bump gh-pages for silent option
Build: Run full build on travis

Fixes #3125
Merge pull request #3194 from nschonni/v4-fix-3125-with-full-build-on-travis

Build: Run full build on travis
Migrated the equalheights plugin to the new template.
Build: Adjust build chain for Travis/SauceLabs

- Minor description updates and better differentiate internal tasks
- Make the SauceLabs an self contained external task
- Clean up assemble task and add "tests" target for SauceLabs/Mocha
runner
Merge pull request #3196 from pjackson28/movemorepluginstonewtemplate

Migrated the equalheights plugin to the new template.
Merge pull request #3197 from nschonni/v4-travis-sauce-build-cleanup

Build: Adjust build chain for Travis/SauceLabs
Migrated the equalheights plugin to the new template.
Migrated more plugins to the new v4.0 plugin template
Prettify: converted to using single init element

1. Plugin now uses a `.wb-prettify` element as initialization
   point.  All settings are configured from CSS classes and/or
   data attributes on this element.
2. Updated to use new 4.0 plugin template.
Prettify: updated demos

1. Updated to match change to how plugin now uses a single
   `.wb-prettify` element to initialize.
2. Ported French demo from v3.1.
Merge pull request #3195 from pjackson28/movepluginstonewtemplate

Migrated multiple plugins to the new v4.0 plugin template
Merge pull request #3199 from pjackson28/moveadditionalpluginstonewtemplate

Migrated more plugins to the new v4.0 plugin template
Web feeds: Very rough port of the v3.1 Web feeds plugin
Migrated additional plugins to the new v4.0 plugin template.
Merge pull request #3205 from pjackson28/movemorepluginstonewv40template

Migrated additional plugins to the new v4.0 plugin template.