Add deprecation notice to the docs

Update version for maintainer removal

DEPRECATION: Redirect users to new packages

Point users to new packages that were forked out of this repository, as
this repository will no longer be maintained.

Documentation Updates

Cleaning up tags and metadata for distribution

Update to 0.8.1 for documentation and publication releases

update RTD config file to include all the requirements

Merge branch 'release-0.7.0' into 'master'

Update tags for Release 0.7.0

See merge request trilinos-devops-consolidation/code/ConfigParserEnhanced!36

Version 0.6.0

Merge branch '0.5.2' into 'master'

Minor bug fixes

See merge request trilinos-devops-consolidation/code/ConfigParserEnhanced!24