FLUID-4957: Removed previous implementation of tabs as a list, and redid it using plain old buttons and spans. Added rounded bottom corners, OpenSans font, and text colouring. Updated the UIO demos to use this new tab style. Still waiting for the icons to go in.
FLUID-4957: continued working on adding font icons to tabs. Cleaned up styling a little. Removed OpenSans-Regular and replaced with OpenSans Light.
FLUID-4957: continued working on adding font icons to tabs. Cleaned up styling a little. Removed OpenSans-Regular and replaced with OpenSans Light.
FLUID-4957: Removed attempts at integrating icon fonts into the tabs. Will need to revisit this after the demo.
FLUID-4957: Increased width of hide-show tab which may fix layout issue in the demo.
FLUID-4957: Increased width of hide-show tab again... this time to 17.6em.
Merge remote-tracking branch 'jhung/FLUID-4957' into demo

* jhung/FLUID-4957:
  FLUID-4957: Increased width of hide-show tab again... this time to 17.6em.
  FLUID-4957: Increased width of hide-show tab which may fix layout issue in the demo.
  FLUID-4957: Removed attempts at integrating icon fonts into the tabs. Will need to revisit this after the demo.
  FLUID-4957: continued working on adding font icons to tabs. Cleaned up styling a little. Removed OpenSans-Regular and replaced with OpenSans Light.
  FLUID-4957: continued working on adding font icons to tabs. Cleaned up styling a little. Removed OpenSans-Regular and replaced with OpenSans Light.
  FLUID-4957: Removed previous implementation of tabs as a list, and redid it using plain old buttons and spans. Added rounded bottom corners, OpenSans font, and text colouring. Updated the UIO demos to use this new tab style. Still waiting for the icons to go in.