Merge remote-tracking branch 'fluid-project/master'

* fluid-project/master: (57 commits)
  GPII-135: Added a comment
  GPII-135: clean up
  GPII-135: removed comment, corrected typo
  GPII-135: updated to the latest infusion
  GPII-135: fixed a bug with toggling contrasts
  GPII-142: Theme overrides for demo content
  GPII-134: removed uneeded comment.
  GPII-135: toggling between contrasts
  GPII-135: created a new base grade for the panels.
  GPII-142: Small chrome fix
  GPII-134: Merged changes from Master. Fixed positioning of checkbox in high contrast to be similar to the default view. Panel Bar now appears white on black.
  GPII-142: Header, breadcrumbs, prev/next, menu, etc. css tweaked
  FLUID-4947: added more improvements to announcements.
  GPII-135: removed console log
  GPII-135: Low contrast preset added.
  GPII-135: Moved lib to shared directory
  FLUID-4947: removed a string length constraint.
  GPII-135: Upgrading Infusion
  GPII-145: added line-height to keep icons centred
  GPII-145: added line-height to keep icons centred
  ...
FLUID-4907: Changing to the version of Infusion in the FLUID-4907 branch.
GPII-150: Removed theme overrides for DT and replaced with class fl-inverted-color. Added low contrast themes
Merge remote-tracking branch 'michelle/FLUID-4907'

* michelle/FLUID-4907:
  FLUID-4907: Changing to the version of Infusion in the FLUID-4907 branch.
GPII-150: Tweak focus styling on prefs
Merge remote-tracking branch 'heidi/GPII-150'

* heidi/GPII-150:
  GPII-150: Tweak focus styling on prefs
  GPII-150: Removed theme overrides for DT and replaced with class fl-inverted-color. Added low contrast themes
GPII-148: Added padding to bottom of simplified content so it's not obscured by the DT panel bar
Merge branch 'master' into GPII-148
Merge remote-tracking branch 'heidi/GPII-148'

* heidi/GPII-148:
  GPII-148: Added padding to bottom of simplified content so it's not obscured by the DT panel bar
Merge branch 'master' of github.com:fluid-project/prefsEditors
FLUID-4907: updated to the latest version of Infusion. Includes a fix to a top level primary builder options.
Merge remote-tracking branch 'yura/FLUID-4907'

* yura/FLUID-4907:
  FLUID-4907: updated to the latest version of Infusion. Includes a fix to a top level primary builder options.
GPII-124: Changed label colour and added text shadow, to fix low contrast
Merge remote-tracking branch 'heidi/GPII-124'

* heidi/GPII-124:
  GPII-124: Changed label colour and added text shadow, to fix low contrast
Merge branch 'master' into GPII-140
GPII-140: master merged in, heading tweak