Merge pull request #1651 from erikdesjardins/master

Remove dead image hosts
bugfix to full comments dependency check
gittip -> gratipay
Fix imgur regex for URLs with trailing stuff
Merge pull request #1652 from isstabb/master

Fix imgur regex for URLs with trailing stuff
moved if statement execution code inside brackets
Merge pull request #1653 from darkstar21/master

Moved if statement execution code inside brackets
fixs #1657
Merge pull request #1 from honestbleeps/master

Pull from upstream