Added indexer support, with stall detection.

Re-tuned some other loops while I was learning more about the indexer.

Change-Id: I893f1f273b31357ae9137601ca27322fc3b09d98
diff --git a/y2017/control_loops/python/hood.py b/y2017/control_loops/python/hood.py
index 3e71a0f..8684c98 100755
--- a/y2017/control_loops/python/hood.py
+++ b/y2017/control_loops/python/hood.py
@@ -112,7 +112,7 @@
 
     glog.debug('K %s', repr(self.K))
     glog.debug('Poles are %s',
-              repr(numpy.linalg.eig(self.A - self.B * self.K)[0]))
+               repr(numpy.linalg.eig(self.A - self.B * self.K)[0]))
 
     q_pos = 0.10
     q_vel = 1.65