reorganizes templates directory, starting to organize into includes, boilerplates, etc.
feature (code comments):

Resolves assemble/grunt-readme/#36

adds ability to use code comments in markdown templates. uses frep for regex replacement patterns.
bugfix (package.json):

Resolves assemble/grunt-readme/#37

When no package.json is present, readme templates should now build without throwing an error
docs (updates):

Adds info about updates to docs, more reorganization of templates
tests (fixtures):

Add test fixtures and update Grunt config so that the readme task attempts to build all/most of the templates.
feature (repos task):

Adds `namespace` feature to repos task so the array of repos can be namespaced in whatever property makes sense for a project. this is purely for semantics.
minor code refactoring, update templates and tests
0.3.1

Bumping version for new features, edits. adds documentation for updates, features.
Merge branch 'origin/master'