Designed a velocity controller for the series elastic intake.

It's stable!  This gives us a place to start for controlling it.
We'll have to try it in real life at some point to see if it's right.

Change-Id: I09381b7cba42084f9d5052f54197616fd9dd8c2c
diff --git a/y2018/control_loops/python/BUILD b/y2018/control_loops/python/BUILD
index 04a244e..042c39e 100644
--- a/y2018/control_loops/python/BUILD
+++ b/y2018/control_loops/python/BUILD
@@ -56,3 +56,16 @@
   ],
   restricted_to = ['//tools:k8'],
 )
+
+py_binary(
+  name = 'intake',
+  srcs = [
+    'intake.py',
+  ],
+  deps = [
+    '//external:python-gflags',
+    '//external:python-glog',
+    '//frc971/control_loops/python:controls',
+  ],
+  restricted_to = ['//tools:k8'],
+)