Multimedia player: Fixed display of buttons (fixes #4875)
Merge pull request #4876 from pjackson28/fixmultimediatoolbar

Multimedia player: Fixed display of buttons (fixes #4875)
Multimedia player: Improved spacing between buttons and progress bar
Merge pull request #4877 from pjackson28/tweakmmediabuttons

Multimedia player: Improved spacing between buttons and progress bar
Now ignoring keystrokes modifed by the control, alt and meta keys
Merge pull request #4882 from pjackson28/excludemodkeys

Now ignoring keystrokes modifed by the control, alt and meta keys
Mobile panel: Now only expands the secondary menu in the mobile panel by default (fixes #4863)
Merge pull request #4885 from pjackson28/dontexpandsitemenuinformation

Mobile panel: Now only expands the secondary menu in the mobile panel by default (fixes #4863)
WET theme: Added dark blue line between site menu and site footer sections in mobile panel (#4866)
Merge pull request #4886 from pjackson28/adddarklinebetweensitemenuinformation

WET theme: Added dark blue line between site menu and site footer sections in mobile panel (#4866)
Updated files for the v4.0.0-rc1 release
Merge pull request #4887 from pjackson28/releasecandidate

Updated files for the v4.0.0-rc1 release
Fixed validation errors
Updated build version to v4.0.0-development
Documentation: Updated v4.0 changelogs with information about v4.0.0-rc1
Corrected the number of commits in the French v4.0 release notes
Merge pull request #4890 from pjackson28/fixfrenchv400rc1releasenotes

Corrected the number of commits in the French v4.0 release notes
Merge pull request #4888 from pjackson28/updatedv4changelogs

Documentation: Updated v4.0 changelogs with information about v4.0.0-rc1
Tabs: Fixed z-index issue that created issues between the tablist and nested content in carousel style 2 (fixes #4571)
Merge pull request #4893 from pjackson28/fixtabpanelzindex

Tabs: Fixed z-index issue that created issues between the tablist and nested content in carousel style 2 (fixes #4571)