added dealiaser utility class with specs
empty line at the end of the file
descriptor element with comments and specs
not using deprecated rspec API
empty line at the end of the file
fixed typo in comments
added resource_dereference class and specs
fixing crichton documentation according to a new resource descriptor document design
fixing markdown headers
fixing typo in links
fix indentation for parameters
fixing header title for examples
Update extensions.md

Fixing title
Update resource_descriptors.md

Fixing title header
Merge branch 'andrey_develop_clone' into crichton_refactoring_dealias
addressing pr comments
empty line at the end of the file
added comments to a class declaration
comments update
fixed typo