fix test breaking due to new footnote anchor
Merge pull request #182 from schacon/test-fixes

Fixing Tests
specify rake gem in gemfile
track builds in travis-ci
merge gfm
requiring gollum doesnt require the load path to be set to the lib directory ahead of time (good for rake console)
smaller #inspect output for wiki and page objects
disable notifications
id attribute transformers should always return a hash or nil
keep the versions of rake in the gemspec and gemfile in sync for cry babies
add backwards compatible Gollum::Wiki.markup_class
tomdoc
Release 1.3.1
when extracting the code blocks, use the SHA of the lang code AND contents to uniquely identify the snippet
Sanitization#id_prefix can be modified
update the changelog
prefix name attributes too
add a Page#markup_class reader
normalize test output
fix edge case where sanitize gem doesn't operate on <a> node if the custom transformer runs