FLOE-194: Styled the dialog

The dialog is styled and should show up in the correct location for at least the happy face. Need to do more work and testing to see what happens when the dialog isn't centred (do to collision) under the icon. (i.e. for the request button).
Merge remote-tracking branch 'cindy/FLOE-194' into FLOE-194
Merge remote-tracking branch 'justin/FLOE-194' into FLOE-194
FLOE-194: Removed css class "gpii-hide" from the markup for creating the dialog container.