Rewrote the positioning CSS to allow specifying the screen size(s) when it is applicable.
Footnotes: Added margin-top to H2 in SCSS.
WET theme: Fixed broken license links in splash page HBS files.
Data-inview / Overlay: Shortened link and button labels in working examples and renamed data-inview files so not specific to bars
Merge pull request #4117 from pjackson28/shortenbuttontextoverlay

Data-inview / Overlay: Shortened link and button labels in working examples and renamed data-inview files so not specific to bars
Merge pull request #4112 from EricDunsworth/v4.0-footnotes-h2-margin-top

Footnotes: Added margin-top to H2 in SCSS.
Merge pull request #4111 from thomasgohard/fix-proximity-css-position-classes

Rewrote the positioning CSS to allow specifying the screen size(s) when it is applicable
Merge pull request #4113 from EricDunsworth/v4.0-broken-link-fixes

WET theme: Fixed broken license links in splash page HBS files.
data-inview: unit tests added
data-inview: updated working examples

1. Added "Purpose" statement.
2. Matched .bar-demo visual style to bootstrap panels.
[CSS] Updated the position CSS to work like the grid CSS.
Tabs / Toggle: Added aria-posinset and aria-setsize to help screen readers to properly convey the structure
Merge pull request #4123 from pjackson28/addsetsizeposinsettotabs

Tabs / Toggle: Added aria-posinset and aria-setsize to help screen readers to properly convey the structure
Overlay: Fixed bugs with tab key handling within overlay
Merge pull request #4122 from thomasgohard/fix-positioning-css-scope

[CSS] Updated the position CSS to work like the grid CSS
Merge pull request #4120 from patheard/data-inview

Data inview: unit tests and working example update
Merge pull request #4124 from pjackson28/fixoverlaytabbing

Overlay: Fixed bugs with tab key handling within overlay
Menu: Converted mobile panel menu to multiple WAI-ARIA menus
Merge pull request #4128 from pjackson28/switchmobilepaneltowaiariamenu

Menu: Converted mobile panel menu to multiple WAI-ARIA menus
Menu: Added minimum widths for the mobile panel (fixes #4116)