updating version numbers and README for 25.0

updating version numbers and README for 25-RC

updating version numbers and README for 23.5

updating version numbers and README for 24.2

updating version numbers and README for 23.4

updating version numbers and README for 24.1

updating version numbers and README for 23.3

updating version numbers and README for 24.0

updating version numbers and README for 24-RC

updating version numbers and README for 22.5