CEF issue tracker has moved to GitHub

[Marshall Greenblatt]

The CEF issue tracker has moved from Bitbucket to GitHub. The new URL is:

https://github.com/chromiumembedded/cef/issues

All CEF issue numbers remain the same (just replace bitbucket.org with github.com in existing issue links). However, due to Bitbucket limitations we are unable to provide read-only access to the old issue tracker and notification subscriptions have not been transferred. If you wish to receive notifications for particular issues going forward you should subscribe to those issues on GitHub.

Bitbucket will remain the primary host for the CEF wiki, code repository and pull requests (PRs) until further notice.