GPII-122: Start of adding demo resource content, markup, css
Merge branch 'GPII-118' into GPII-122
Merge branch 'GPII-118' into GPII-122
GPII-122: More content added
GPII-122: More content added
GPII-122: Added font icons and article filter tabs to content
Merge remote-tracking branch 'heidi/GPII-122'

* heidi/GPII-122:
  GPII-122: Added font icons and article filter tabs to content
  GPII-122: More content added
  GPII-122: More content added
  GPII-122: Start of adding demo resource content, markup, css