removed code causing issue #40 - not really a fix, but it fixes it...
added back verification and leeway -- using proper kwargs for these. updates #40
Merge pull request #41 from vforgione/master

update jwt_decode_handler to match pyjwt decode signature
Bump up version for release
Lock PyJWT version as per #40
Invalid payload only if user_id is None
Merge pull request #46 from astagi/feature/payloadcheckfix

Invalid payload only if user_id is None
Add DRF 3.x compatibility
Update README.md
Use the new build env on Travis
Merge pull request #47 from astagi/fixfordrf3.x

Add DRF 3.x compatibility
Merge remote-tracking branch 'getblimp/master' into support-any-user

Conflicts:
	rest_framework_jwt/authentication.py
	rest_framework_jwt/serializers.py