updated gemfile to include specific version of sprokets
added posts to the bottom of individual posts pages and tag controller/routes.
acutally added tag controller this time.
added page where user can see a list of all the tags with links to tags show pages.
implemented a page where user can see all posts associated with one tag and then click on tag name to go to post.
Merge pull request #28 from alexcodreanu86/tags

Tags