update plugin interface

Author: chfw

pyexcel_matplotlib/__init__.py

@@ -1,7 +1,16 @@
-from pyexcel.internal.common import ChartPluginChain
+"""
+    pyexcel_matplotlib
+    ~~~~~~~~~~~~~~~~~~~
 
+    chart drawing plugin for pyexcel
 
-ChartPluginChain(__name__).add_a_plugin(
-    submodule='plot.SimpleLayout',
-    tags=['xy']
+    :copyright: (c) 2016-2017 by Onni Software Ltd.
+    :license: New BSD License, see LICENSE for further details
+"""
+from pyexcel.plugins import PyexcelPluginChain
+
+
+PyexcelPluginChain(__name__).add_a_renderer(
+    relative_plugin_class_path='plot.SimpleLayout',
+    file_types=['svg']
 )