Initiate properties to default value

Set date family to Monospace and fix default width

tryton/common/cellrendererdate.py

@@ -26,10 +26,13 @@ class CellRendererDate(gtk.GenericCellRenderer):
     def __init__(self, format):
         self.__gobject_init__()
         self._renderer = gtk.CellRendererText()
+        self._renderer.set_property('family', 'Monospace')
         self.set_property("mode", self._renderer.get_property("mode"))
 
         self.format = format
         self.cmd = ''
+        self.text = self._renderer.get_property('text')
+        self.editable = self._renderer.get_property('editable')
 
     def do_set_property(self, pspec, value):
         setattr(self, pspec.name, value)

tryton/gui/window/view_form/view/list_gtk/parser.py

@@ -144,8 +144,8 @@ class ParserTree(ParserInterface):
                     'float': 80,
                     'numeric': 80,
                     'float_time': 80,
-                    'date': 80,
-                    'datetime': 120,
+                    'date': 90,
+                    'datetime': 140,
                     'selection': 90,
                     'char': 100,
                     'one2many': 50,