Add Config option to support private repos and text box to add deploy
key
Merge branch 'master' into github_private_repo_support
Upgrade to newer version of githubp oauth plugin
add deploy keys to repo when private key is added
Merge branch 'master' into github_private_repo_support
Should ask for private repo support on if configured for private repo
support. Default is to not ask private repo support.
Remove existing deploykey if it was added previously by a previous
project setup.
Use hudson.uti.Secret to encrypt github access tokens.
Previous installations of plugin using plaintext tokens should continue
to default to plaintext.