Added support for rotating keys.
Fixed so all examples have a start.sh script and that all are working.
Removed imports that wasn't used.
It is no longer allowed for clients to register redirect_uri http urls if response_types are not == ["code"]
Fixes as consequence of changes in pyjwkest.
Added .travis.yml file
Chnaged file mods
Merge branch 'master' of https://github.com/rohe/pyoidc

Conflicts:
	oidc_example/op2/config.py.example
	tests/test_oic_provider.py