Switch /project/url from Confluence to GitHub

[jglick]

See announcement from @oleg-nenashev on the dev list. If merged, we should also delete all real content from Confluence and just say point to GitHub.

[oleg-nenashev]

https://groups.google.com/forum/#!topic/jenkinsci-dev/VSdfVMDIW-A FTR

…

On Tue, Sep 3, 2019 at 11:52 PM Jesse Glick ***@***.***> wrote: See announcement from @oleg-nenashev <https://github.com/oleg-nenashev> on the dev list. If merged, we should also delete all real content from Confluence and just say point to GitHub. ------------------------------ You can view, comment on, or merge this pull request online at: #590 Commit Summary - Switch /project/url from Confluence to GitHub. File Changes - *M* pom.xml <https://github.com/jenkinsci/kubernetes-plugin/pull/590/files#diff-0> (2) Patch Links: - https://github.com/jenkinsci/kubernetes-plugin/pull/590.patch - https://github.com/jenkinsci/kubernetes-plugin/pull/590.diff — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#590?email_source=notifications&email_token=AAW4RIHDR22AI7JQCKZTRLTQH3MDPA5CNFSM4ITLG6N2YY3PNVWWK3TUL52HS4DFUVEXG43VMWVGG33NNVSW45C7NFSM4HJDERHQ>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AAW4RIHQWSX7TRCMJGM6EXLQH3MDPANCNFSM4ITLG6NQ> .

[jglick]

If merged, we should also delete all real content from Confluence and just say point to GitHub.

Done. Note that plugins.jenkins.io will not get updated until this PR is released.