* feat: Replace default Go user-agent with oauth2-proxy and version
* Add to CHANGELOG
* Make userAgentTransport configurable and composable
* Use correct naming convention for DefaultHTTPClient
* Move version to own package and use named arguments
* Update version path in Makefile
* Fix import path in Makefile
* Change importpath in dist.sh
* Minor style issues
* Add RequestID to the RequestScope
* Expose RequestID to auth & request loggers
* Use the RequestID in templated HTML pages
* Allow customizing the RequestID header
* Document new Request ID support
* Add more cases to scope/requestID tests
* Split Get vs Generate RequestID funtionality
* Add {{.RequestID}} to the request logger tests
* Move RequestID management to RequestScope
* Use HTML escape instead of sanitization for Request ID rendering
Reorganized the structure of the Request Utils due to their widespread use
resulting in circular imports issues (mostly because of middleware & logger).
* worked on wrapping errors in requests.go, added defer statements
* removed .idea (generated by goland)
* added another require.NoError
* Update pkg/requests/requests.go
Co-Authored-By: Dan Bond <pm@danbond.io>
* fixed out-of-order imports
* changelog entry added
* swapped error definitions to use fmt.Errorf rather than Wrap()
* formatting changes, added new defers to requests_test.go
* suppot for go1.12 pipeline removed from travis pipeline, .idea/ added to gitignore
* Reorder changelog entry
