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 'develop' into crichton_refactoring_documentation
Resource Descriptor Document -> API Descriptor Document
Resource Descriptor Document -> API Descriptor Document; addressed PR comments
Resource Descriptor Document -> API Descriptor Document
Resource Descriptor Document -> API Descriptor Document; fixed markdown
fixed embed for better readability; reduced the number of sample descriptors; Resource Descriptor Document -> API Descriptor Document
addressed PR comments
Update data_descriptors.md

List indentation fixed
Update data_descriptors.md

Reduced the number of sample descriptors
Update descriptors_document.md

Minor change.
added comments
Merge branch 'crichton_refactoring_documentation' of github.com:mdsol/crichton into crichton_refactoring_documentation
delegate to detail check if it is a resource