GPII-140: Logo and electron font icons added to demo resource. Likely want to change logo though.
GPII-140: Added modified version of the tree logo. Fixed contrast theme logos not changing properly.
Merge pull request #1 from jhung/GPII-140

GPII-140: Added modified version of the tree logo. Fixed contrast theme ...
Merge branch 'master' into GPII-140
GPII-140: master merged in, heading tweak
Merge remote-tracking branch 'upstream/master' into GPII-140
Merge branch 'GPII-140-heidiv' into GPII-140
GPII-140: Changed the Atom logo to include the outer circle.
GPII-140: Fixed the tab text overlapping the content area when enlarged. Next and Previous button arrows now centred properly when enlarged and using contrast themes.
Merge remote-tracking branch 'heidi/GPII-140'

* heidi/GPII-140:
  GPII-140: Fixed the tab text overlapping the content area when enlarged. Next and Previous button arrows now centred properly when enlarged and using contrast themes.
  GPII-140: Changed the Atom logo to include the outer circle.
  GPII-140: master merged in, heading tweak
  GPII-140: Added modified version of the tree logo. Fixed contrast theme logos not changing properly.
  GPII-140: Logo and electron font icons added to demo resource. Likely want to change logo though.