Adding a oauth2 console example.
delete personal credentials file.
added comments.
make authorized redirect part of the constructor
check for certificate else revert to insecure mode
remove verbose logging for sample
make credential filename part of constructor
removed unused logging from pub spec
removed todo
Make UrlPattern part of the common set of libraries
exporting url pattern
Moved SystemCache as an optional constructor on OAuth2Console
Make clear browser/console structure
Merge pull request #1 from Scarygami/oauth2_console

Make clear browser/console structure
Merge pull request #3 from financeCoding/oauth2_console

Oauth2 console