[IMP] web_timeline: Several improvements:

* Avoid to display all items of group_by model
* Remove unnecessary readgroup
* Remove dependency on project. Modify module structure. Imporve readme file.
* Add setup.py

web_timeline/models/ir_view.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Copyright 2016 ACSONE SA/NV (<http://acsone.eu>)
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
+
+from openerp import models
+from openerp import api
+
+
+TIMELINE_VIEW = ('timeline', 'Timeline')
+
+
+class IrUIView(models.Model):
+    _inherit = 'ir.ui.view'
+
+    @api.model
+    def _setup_fields(self):
+        """Hack due since the field 'type' is not defined with the new api.
+        """
+        cls = type(self)
+        type_selection = cls._fields['type'].selection
+        if TIMELINE_VIEW not in type_selection:
+            tmp = list(type_selection)
+            tmp.append(TIMELINE_VIEW)
+            cls._fields['type'].selection = tuple(set(tmp))
+        super(IrUIView, self)._setup_fields()