move pyjwt to a package

requirements/prod.txt

@@ -61,6 +61,7 @@ oauth2==1.5.211
 ordereddict==1.1
 PyBrowserID==0.6
 pyes==0.16.0
+PyJWT-mozilla==0.1.4.2
 PyMySQL==0.5
 pyquery==0.4
 python-dateutil==1.5
@@ -91,7 +92,6 @@ tower==0.3.4
 # Temporary fork.
 -e git://github.com/jsocol/jingo-minify.git@d1b668ad7c0423fe8cc639df36d433da5c168cac#egg=jingo-minify
 -e git://github.com/mozilla/nuggets.git@96e80a64aa4bfcfef4f43fc3ab6966450ccd7325#egg=nuggets
--e git://github.com/rtilder/pyjwt.git@aa3be513795c1a623dfc61c6c0a688198ea5d303#egg=pyjwt
 -e git://github.com/jbalogh/test-utils.git@ce5136a257cd44a1c663319124a255c1d10a9834#egg=test-utils
 -e git://github.com/fwenzel/django-mozilla-product-details.git@36ef06539d6b34c4f345fd0d3e16937d0db9a752#egg=django-mozilla-product-details
 # TODO(Kumar) switch to PyPI release when this change has been deployed.