Update version to 3.0.0
Update gemspec
Add publish alias
Fix rake release
Use SVG badges
Added wiki#latest_changes method for global wiki history view.
Do not mutate parameters passed in from the outside
Fix font awesome test to ignore ending whitespace difference
Removes err highlighting for undefined code blocks
resolved issue #82: undefined method 'before' for nil:NilClass in filter/toc.rb
Use protocol relative URL to embed https wiki to silence browser warning
fixes gollum/gollum#678: added ancestry to TOC headers

broke out the code from the process method into private methods

normalized the anchor name

added ancestors to the anchor names

made sure not to clobber non-english characters

made sure to set current ancestors

updated a unicode test

added a test to check that anchor names are normalized and ancestored