ResondJS: bump to 1.4.0
Removed selectivizr as a dependency for IE8.
Eliminated use of :last-child in multimedia plugin.
Eliminated use of :last-child in menu plugin demo.
Eliminated use of :not in the carousel plugin.
Eliminated use of :not in details polyfill.
Eliminated use of :not in tabs plugin.
Merge pull request #3846 from thomasgohard/remove-selectivizr

Remove selectivizr
Toggle: fix simple example for IE8 (fixes #3829)
Fixed CSS compiling erros and remove TODOs from output
Merge pull request #3855 from LaurentGoderre/fix-css

Fixed CSS compiling erros and remove TODOs from output
Added missing display:block for form validation
Fixed the multimedia responsiveness (See #3843)
Merge pull request #3856 from LaurentGoderre/fix-css

Added missing display:block for form validation
Merge pull request #3854 from LaurentGoderre/fix-3843

Fixed the multimedia responsiveness
Fixed contrast issues with navcurrent in the mobile menu
Merge pull request #3857 from LaurentGoderre/fix-menu-contrast

Fixed contrast issues with navcurrent in the mobile menu
Merge pull request #3729 from nschonni/v4-bump-respondjs

ResondJS: bump to 1.4.0
Build: Add JSCS for style checking
JSCS: Require newline at end of file