Update Feb 10, 2014.

- Social media images trim color adjustment.
- Day in History block query adjustment. If no issue found 100 years back, query for issue 75 years back and if still none found--query for issue 50 years back. If still no issue is found the error message has been changed from "No content available." to "No newspaper issues published on this date 100, 75 or 50 years ago."

Signed-off-by: ekennedy <evkennedy@upei.ca>