Add entry-footer class to footer elements in an entry.
Remove the entry-meta class from footer element's in content templates. Keep entry-footer class for this purpose.
_s: Restore default styles for `<img>` elements.

Lost in 651b89e49743c321b04ef10ebf5a42d8093f75d3.
Merge pull request #424 from matthewsimo/master

_s: Add entry-footer class to footer elements in entries. Fixes #420.
_s: Restore class delimiter in closing comment.

Removed in e3714be581e19eeea1ec5e7b2c29775407ab115d.