doc: Bump to version 2.17.0 and update ChangeLog.md

doc: Bump to version 2.16.0 and update ChangeLog.md and CONTRIBUTORS

doc: Bump to version 2.15.0 and update ChangeLog.md

doc: Bump to version 2.14.0 and update ChangeLog.md

doc: Bump to version 2.13.0 and update ChangeLog.md

doc: Bump to version 2.12.0 and update ChangeLog.md and CONTRIBUTORS

doc: Bump to version 2.11.0 and update ChangeLog.md

doc: Bump to version 2.10.0 and update ChangeLog

docs: Bump to version 2.9.1 and update ChangeLog

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