Added y2018 drivetrain folder and files.

Change-Id: I6375a2b44f69e943ff2b1278fb6464177abd5dd8
diff --git a/y2018/control_loops/python/BUILD b/y2018/control_loops/python/BUILD
new file mode 100644
index 0000000..04a244e
--- /dev/null
+++ b/y2018/control_loops/python/BUILD
@@ -0,0 +1,58 @@
+package(default_visibility = ['//y2018:__subpackages__'])
+
+py_binary(
+  name = 'drivetrain',
+  srcs = [
+    'drivetrain.py',
+  ],
+  deps = [
+    '//external:python-gflags',
+    '//external:python-glog',
+    '//frc971/control_loops/python:drivetrain',
+  ],
+  restricted_to = ['//tools:k8'],
+)
+
+py_binary(
+  name = 'polydrivetrain',
+  srcs = [
+    'polydrivetrain.py',
+    'drivetrain.py',
+  ],
+  deps = [
+    '//external:python-gflags',
+    '//external:python-glog',
+    '//frc971/control_loops/python:polydrivetrain',
+  ],
+  restricted_to = ['//tools:k8'],
+)
+
+py_library(
+  name = 'polydrivetrain_lib',
+  srcs = [
+    'polydrivetrain.py',
+    'drivetrain.py',
+  ],
+  deps = [
+    '//external:python-gflags',
+    '//external:python-glog',
+    '//frc971/control_loops/python:controls',
+    '//frc971/control_loops/python:drivetrain',
+  ],
+  restricted_to = ['//tools:k8'],
+)
+
+py_test(
+  name = 'polydrivetrain_test',
+  srcs = [
+    'polydrivetrain_test.py',
+  ],
+  deps = [
+    '//external:python-gflags',
+    '//external:python-glog',
+    '//frc971/control_loops/python:polydrivetrain',
+    '//frc971/control_loops/python:controls',
+    ':polydrivetrain_lib',
+  ],
+  restricted_to = ['//tools:k8'],
+)