removing rake and outdated references to it

scripts/acceptance-tests.sh

@@ -74,4 +74,4 @@ fi
 # Activate the Python virtualenv
 source $HOME/edx-venv/bin/activate
 
-rake test:acceptance:${TEST_SUITE}["-v 3 ${FEATURE_PATH}"]
+paver test_acceptance -s ${TEST_SUITE} --extra_args="-v 3 ${FEATURE_PATH}"

scripts/run_watch_data.py

@@ -37,7 +37,7 @@ class DjangoEventHandler(FileSystemEventHandler):
                 break
 
 if __name__ == "__main__":
-    event_handler = DjangoEventHandler(Popen(['rake', 'lms']))
+    event_handler = DjangoEventHandler(Popen(['paver', 'lms']))
     observer = Observer()
     for dir in WATCH_DIRS:
         observer.schedule(event_handler, dir, recursive=True)