Merge branch 'release/v2.0' into develop

integrating release finalizations into develop
deleted everything as a test
Merge branch 'master' into develop

deleted all in develop, so using backup in master
added files from master
moved support files into plp
commit again - bug? about to start v 2.2 release
Merge branch 'release/v2.2'

finished v2.2 release
added flag
this is ready to be v3
cleaned up stuff
Merge branch 'release/v3.0'

finished releaseO
Merge branch 'release/v3.0' into develop

finished release v3.0
readied index.html
added generic photo
another commit
Merge branch 'release/v4.0_public'

finished release v4.0 - public