Rename chart_studio -> chartstudio and move under chartstudio-package

directory. Add dedicated setup.py

Author: jonmmease

chart_studio/__init__.py

@@ -0,0 +1,2 @@
+from __future__ import absolute_import
+from chartstudio import (plotly, dashboard_objs, grid_objs, session)

chart_studio/api/v1/__init__.py

@@ -0,0 +1,3 @@
+from __future__ import absolute_import
+
+from chartstudio.api.v1.clientresp import clientresp

chart_studio/api/v2/__init__.py

@@ -7,8 +7,8 @@
 
 
 from _plotly_utils.utils import PlotlyJSONEncoder
-from chart_studio import config, utils
-from chart_studio.api.v1.utils import request
+from chartstudio import config, utils
+from chartstudio.api.v1.utils import request
 
 
 def clientresp(data, **kwargs):