Moved Filters to new Template
Updated Template as Sub Nav links didn't work
Removed Duplicate Sub Nav link
Put extra info in Sub Nav
Added Sub-Sub Nav for Request & Response
Merge pull request #11 from eddiejaoude/filters

Moved Filters to new Template
Update README.md
Merge pull request #12 from TransformCore/Expand-intro

Update README.md
Update contributing.md

Corrected link to template
Merge pull request #13 from TransformCore/Correct-links

Update contributing.md
Update _template.md

Add optional markers. Change "known issues" to "known uses"
Merge pull request #14 from TransformCore/Mark-optional-parts-of-template

Update _template.md