delete unused or redundant code
upgrade the libraries to the latest pub spec
grab the latest oauth2 code from pub
disabling oauth2
remove httpClient as single instance
Update example
Adding oauth2 again until dartbug.com/8081 is fixed.
Update oauth2 code
ignoring credentials file
Removed warning
Merge pull request #10 from financeCoding/update_console_m4

Update oauth2 console for dart-sdk version 0.4.1.0_r19425