add Github contributing guidelines

- https://github.com/blog/1184-contributing-guidelines
specify the LICENSE as markdown for prettier Github printing
ensure .gitignore is consistent across all Lotus repos
don't reference local lotus-utils
SVG badges
use head Lotus::Utils
Merge pull request #7 from karlfreeman/various-tidying

Various tidying
Merge pull request #8 from karlfreeman/svg-badges

SVG badges
Wordsmithing to tidy up clarity
Replacing HTML table with Markdown table

The HTML table eases the obsessive-compulsive related pain of keeping
the column widths uniform. However, it reduces the readability in a
text editor.
Merge pull request #9 from jeremyf/wordsmithing

Wordsmithing to tidy up clarity
Merge pull request #10 from jeremyf/replace-html-table-with-markdown

Replacing HTML table with Markdown table
Enable Ruby 2.1.2 on Travis CI
Support arguments for methods inside templates

Methods inside templates could not have any arguments without causing an error.  Because of that, it would be impossible to write a function like:

<%= link_to "google", "http://google.com" %>

beceause lotus would error out with an ArgumentError.  The fix is to ensure method_missing passes any arguments along to the view instance.
Merge pull request #11 from gammons/template_methods_with_args

Support arguments for methods inside templates
Fix CI by loading the frawework before each test of the loading feature