added image to RSS parser
added rails 3.2 support from btelles commits: https://github.com/pauldix/feedzirra/pull/101
added image to RSSFeedBurnerEntry
added 'enclosure' tag to image on feed entry
added image support to atom entry
pulled changes from original repo
removed deleted file
fix merge
Revert "removed deleted file"

This reverts commit c389b2abface06efd66d367e2ded03dd9c0ae05d.
Remove Mac-specific dependency
Remove RVM references in Guardfile
Clean-up gemspec and remove dynamic date
Merge master
Add @filipepina's PR to changelog [closes #103]
Add Ruby 2.0 to Travis and drop IRC notification