Increment version number to 2.20.0
Increment version number to 2.16.0
Increment version number to 2.15.0
Increment version number to 2.14.0
Increment version to 2.13.0
Increment version number to 2.11.0
Increment version number to 2.9.0
disable testing nightly
Increment version number to 2.7.0