Added path in url.

Page#dir was returning the wrong dir ('/') for pages in directories.
Fix pretty url style paths.

Ignore the basename if the page is an index page, preserve it if it's just an
html page and use the full path in every other case.
Update Readme to link to the Plugins wiki page
Fix typo.
Merge pull request #835 from larrylv/fix-typo

Fix typo.
Remove duplication when generating list of entries to process

Posts and Drafts share the same logic to get the list of files to
process into objects when generating the site. Factor this logic into
its own method and use it when reading posts and reading drafts.
Remove duplication when aggregating post information
Added mime.types file from Apache SVN repo.
Jekyll::Commands::Serve reads in mime.types file.
Fix indentation.
Merge pull request #536 from fotos/fix_page_dir

Added path in url.
Update history to reflect merge of #536
Fix link in Readme
Requiring safe_yaml ~> 0.7.0 because 0.8.x has weird bugs.
Merge pull request #829 from stomar/patch-1

Update Readme to link to the Plugins wiki page
Merge pull request #847 from mojombo/mime_file

Load in Apache MIME Types
Update history to reflect merge of #847
Merge pull request #838 from mattr-/dedupe-entry-generation

Remove code duplication during site generation
ignore .ruby-version
Merge pull request #855 from danielgrieve/remove-ruby-version

ignore .ruby-version