Merge pull request #75 from engineyard/master

JSON.pretty_generate makes better diffs
Bump version
Ignore swp files.
Generate api docs in json, combined_text and html.
Added a GeneralMarkupWriter class as parent of HtmlWriter
to prepare Textile and Markdown writers.
Moved HtmlIndex and HtmlExample to a dedicated module
Views.
Added MarkupIndex and MarkupExample for views as parent
of HtmlIndex and HtmlExample.
Merge branch 'feature/writers_minor_refactoring' into develop
Added textile views and writer.
Textile Index and Example mustache templates with
Textile Index Cucumber Feature and Steps.
Added additional test cases in textile_documentation.feature.
Remove minimum dep gemfile comment
Update stub! and stub to non deprecrated version
Update minimum version of Rspec to 2.14
Remove links in textile index towards textile examples
pages.
First version of the textile_example mustache template.
Deprecate required_paramters
Cucumber steps definitions written for basic textile
example.
Change default folder to `doc/api`

Closes #81
Better document configuration options