Merge commit 'ab802d5f2319768f8250c1a8819e327e2f9f2843' into master

Update matplotlib-cpp, and make it work with the sandboxed python

Change-Id: Ie9836993f9ab6f8f28877e5958d4b4f119db4632
diff --git a/debian/python.BUILD b/debian/python.BUILD
index 6f9150d..7abcf1f 100644
--- a/debian/python.BUILD
+++ b/debian/python.BUILD
@@ -3,7 +3,7 @@
 cc_library(
     name = "python3.5_lib",
     srcs = [
-        "usr/lib/x86_64-linux-gnu/libpython3.5m.so",
+        "usr/lib/x86_64-linux-gnu/libpython3.5m.so.1.0",
     ],
     hdrs = glob(["usr/include/**/*.h"]),
     includes = [