Merge pull request #822 from jeff1evesque/doc_web_interface

#821: Documentation: Adjust 'Web Interface' Subsection
#823: README.md, minor language change
Merge pull request #824 from jeff1evesque/doc_programmatic_interface

#823: Documentation: minor language change
#823: README.md, reference 'Web Interface' subsection
#823: README.md, minor language change
#823: README.md, minor language change
Merge pull request #825 from jeff1evesque/doc_programmatic_interface

#823: Documentation - Reference 'Web Interface'
#821: README.md, add short descriptive sentence describing the 'web-interface'