Correct a few grammatical errors

First impressions count
Merge pull request #10 from informa/issue/separate-statics

Radio, Checkboxes, Test
Remove nose test args from conftest
Include LICENSE in package
Stop quoting bullet points in README
Helper app functions need to return lists

In order for the examples from installation instructions to work.
Rename visibility types and fix site map tags
Remove primary navigation block
Extend page nav block to allow relative tree and custom depth
Make default page status configurable
Order FP block groups alphabetically
Fix template issues with page select
Switch to <span> for render_attribute tag
fixed the sizes of the widget/block icons added the hr icon