Update project URL in setup.py

Author: djhoese

setup.py

@@ -17,7 +17,7 @@
     version=versioneer.get_version(),
     cmdclass=versioneer.get_cmdclass(),
     description='xarray plugins for Intake',
-    url='https://github.com/ContinuumIO/intake-xarray',
+    url='https://github.com/intake/intake-xarray',
     maintainer='Martin Durant',
     maintainer_email='[email protected]',
     license='BSD',