Enabled overlays for the share widget.
Added button classes to the share links.
Began modifying the CSS to make the share links mobile- and touch-friendly.
Fixed the SCSS formating for the multimedia player
Build: Add HTML Minification

- Uses very basic options with little tuning
- May be moved to the "deploy" task if more appropriate
Mediaplayer: Fix invalid markup

Extra `<` caused the minification to fail
Prettify: Escape less than in demo

Caused minification failure
Merge pull request #3373 from LaurentGoderre/fix-3361-format

Fixed the SCSS formating for the multimedia player
Merge pull request #3375 from nschonni/v4-add-htmlmin

V4 add htmlmin
Build: Remove Form Validation localization files

The new dictionary reads the values from "lib" so there is no need to
copy them to the dist folder.
Merge pull request #3372 from thomasgohard/css-share-widget

Rough modification of share widget for mobile- and touch-friendliness
Merge pull request #3376 from nschonni/v4-cleanup-validation-dictionaries

Build: Remove Form Validation localization files
Remove unnecessary window wrapping for Modernizr
Shortend ids and class names as discussed in #3286.
Build: Replace HTMLMin with HTMLCompressor

Adds a Java dependency, but is currently more robust than HTMLMin.
Fixes gh-3382
Merge pull request #3383 from pjackson28/shortenidclassnames

Shortend ids and class names as discussed in #3286.
Resize: Shortened resize test class name and properly hiding the element
Merge pull request #3385 from pjackson28/shortenresizetest

Resize: Shortened resize test class name and properly hiding the element
Lightbox: Removed figure and figcaption since now upstream in Magnific Popup
Merge pull request #3386 from pjackson28/removefigcaptionsfromlbsinceupstream

Lightbox: Removed figure and figcaption since now upstream in Magnific Popup