Made text resources available straight from module

- Added "dynamic Text" property to INancyModule
- Updated DefaultNancyModuleBuilder to assign a TextResourceFinder to
the new INancyModule.Text property
- Added tests to cover the new behavior of DefaultNancyModuleBuilder
- Added a Resource property to TextResourceFinder to let you get the
raw ITextResource instance that it wraps
Added sample route that uses module text resources
Cleaned up some files
Fixed error
Merge pull request #1487 from thecodejunkie/text-resources-in-module

Made text resources available straight from module