Import shooter from 2013

Taken from commit a085044

I liberally delete some things in the Python code to get
things compiling. I also added TODOs where I am unsure whether
my changes are appropriate.

Change-Id: I4f3ae9b69ca9c2b1917e73136c766275a44d3665
diff --git a/y2016/control_loops/python/BUILD b/y2016/control_loops/python/BUILD
index b424625..0134379 100644
--- a/y2016/control_loops/python/BUILD
+++ b/y2016/control_loops/python/BUILD
@@ -37,3 +37,15 @@
     '//frc971/control_loops/python:controls',
   ],
 )
+
+py_binary(
+  name = 'shooter',
+  srcs = [
+    'shooter.py',
+  ],
+  deps = [
+    '//external:python-gflags',
+    '//external:python-glog',
+    '//frc971/control_loops/python:controls',
+  ]
+)