v4 Tabs (and carousel) fixes. Fixed misnamed sass file. Changed Prev/Next/Tab click behaviour. Now the carousel stops if any tab or control is pressed, except Play, as requested by @num3thod.
Added fixes suggested in pr #3874.
Session timeout: Cleaned up timeout issue with Mocha test
Events calendar: Removed console statement
Merge pull request #3881 from pjackson28/cleanuptest

Session timeout: Cleaned up timeout issue with Mocha test
Merge pull request #3874 from schindld/v4-carousel-fixes

v4 Tabs (and carousel) fixes.
Mocha: Align test setup with dist task
Travis: Run the JSCS checker on builds