GPII-193: The panel can be opened by clicking anywhere on the panel bar as well as increasing the size of the "-" sign used for closing the panel.
Merge branch 'master' into GPII-193
Merge branch 'master' into GPII-193
GPII-193:
- Changed the hide icon to be a emdash.
- Panelbar hit area is now much bigger.
-- This required changes to the markup and the CSS.
NO-JIRA: Merge branch 'master' into GPII-193

Resolved Conflicts:
	demos/explorationTool/demo.css
	demos/explorationTool/index.html
	src/explorationTool/js/ExplorationTool.js
GPII-193: Added keyboard focusing styling for contrast modes.
Merge branch 'master' into GPII-193
GPII-193:
- fixed tabs to spaces
- removed old javascript from a previous attempt to fix this issue.
- removed underline hover style for panelbar link
GPII-193: Added preventDefault for the sliding panel toggle button.
Merge branch 'master' into GPII-193
GPII-193: Fixed a problem with the invoker being declared outside of the slidingPanel.
Merge remote-tracking branch 'jon/GPII-193'

* jon/GPII-193:
  GPII-193: Fixed a problem with the invoker being declared outside of the slidingPanel.
  GPII-193: Added preventDefault for the sliding panel toggle button.
  GPII-193: - fixed tabs to spaces - removed old javascript from a previous attempt to fix this issue. - removed underline hover style for panelbar link
  GPII-193: Added keyboard focusing styling for contrast modes.
  GPII-193: - Changed the hide icon to be a emdash. - Panelbar hit area is now much bigger. -- This required changes to the markup and the CSS.
  GPII-193: The panel can be opened by clicking anywhere on the panel bar as well as increasing the size of the "-" sign used for closing the panel.