Install certificates with Python 3.6

See: http://bugs.python.org/issue29065#msg283984

osx_utils.sh

@@ -140,6 +140,11 @@ function install_macpython {
     sudo installer -pkg $inst_path -target /
     local py_mm=${py_version:0:3}
     PYTHON_EXE=$MACPYTHON_PY_PREFIX/$py_mm/bin/python$py_mm
+    # Install certificates for Python 3.6
+    local inst_cmd="/Applications/Python ${py_mm}/Install Certificates.command"
+    if [ -e "$inst_cmd" ]; then
+        sh "$inst_cmd"
+    fi
 }
 
 function install_pip {