make codecov stop commenting (#756)

* make codecov stop commenting

* *shakes fist at manifest.in*
diff --git a/MANIFEST.in b/MANIFEST.in
index 4ff05bf..036bcdb 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,5 @@
 include             LICENSE MANIFEST.in *.rst tox.ini .coveragerc
-exclude             leakcheck
+exclude             leakcheck codecov.yml
 recursive-include   tests           *.py
 recursive-include   doc             *
 recursive-include   examples        *
diff --git a/codecov.yml b/codecov.yml
new file mode 100644
index 0000000..69cb760
--- /dev/null
+++ b/codecov.yml
@@ -0,0 +1 @@
+comment: false