Move aos/controls to frc971/control_loops

Also put what was aos/controls/control_loops.fbs in y2012/control_loops
because that's the only user.

Change-Id: I8f402b0708103077e135a41e55ef5e4f23681d87
Signed-off-by: James Kuszmaul <jabukuszmaul@gmail.com>
diff --git a/frc971/codelab/basic.cc b/frc971/codelab/basic.cc
index 6144fed..8019445 100644
--- a/frc971/codelab/basic.cc
+++ b/frc971/codelab/basic.cc
@@ -4,8 +4,8 @@
 namespace codelab {
 
 Basic::Basic(::aos::EventLoop *event_loop, const ::std::string &name)
-    : aos::controls::ControlLoop<Goal, Position, Status, Output>(event_loop,
-                                                                 name) {}
+    : frc971::controls::ControlLoop<Goal, Position, Status, Output>(event_loop,
+                                                                    name) {}
 
 void Basic::RunIteration(const Goal *goal, const Position *position,
                          aos::Sender<Output>::Builder *output,