GPII-168: Added aria to DT button and panel
Merge branch 'master' into GPII-168
Merge branch 'master' into GPII-168
GPII-168: Added aria-expanded to be set on create
GPII-168: Set expanded val to model value on create
GPII-168: Typo fix
GPII-168: Typo fix
Merge remote-tracking branch 'heidi/GPII-168'

* heidi/GPII-168:
  GPII-168: Typo fix
  GPII-168: Typo fix
  GPII-168: Set expanded val to model value on create
  GPII-168: Added aria-expanded to be set on create
  GPII-168: Added aria to DT button and panel