For links whose text is the same as the URL, don't duplicate.

Visual duplication is a waste of terminal space and causes difficulty in terms of mental parsing.
When reducing post URL duplication, print the URL instead of the text.

This will come in handy if the 'if' condition changes to allow for more fluidity
(e.g. if bit.ly matches http://bit.ly, etc.
Merge pull request #75 from parkr/dont-double-for-links

For links whose text is the same as the URL, don't duplicate.