GPII-198: Apply "more text" only to article images. Also removed the demands block that supplies the iframe html src.
GPII-198: Removed the constraint on excluding next, previous, thumb up/down icons since they are all outside of the <article>.
GPII-198: Get rid of the demands block for adjusting the image selector in moreText enactor.
Merge remote-tracking branch 'cindy/GPII-198'

* cindy/GPII-198:
  GPII-198: Get rid of the demands block for adjusting the image selector in moreText enactor.
  GPII-198: Removed the constraint on excluding next, previous, thumb up/down icons since they are all outside of the <article>.
  GPII-198: Apply "more text" only to article images. Also removed the demands block that supplies the iframe html src.