Merge pull request #23 from alexcodreanu86/votes

Votes implemented through the acts_as_votable gem using active record ca...
Update and rename README.rdoc to README.markdown
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users can now delete thier own comments.
merging changes on local.
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fixed merge conflict with readme.
Merge pull request #24 from alexcodreanu86/comments

Comments
Deleted the post size methods in the posts index view.