Added GcalWeekView. Not integrated yet.

Refactoring the code inside GcalMonthView for drawing and for showing child
widgets.
Fixed ref_sink in GcalEditableRemainder. (Don't need it)
Added translation for weekdays abbreviation. (Thxs to ebassi & mclasen)
Passed make distcheck.

src/gcal-utils.c

@@ -22,6 +22,8 @@
 
 #include <string.h>
 
+#include <glib/gi18n.h>
+
 #include <libedataserver/e-data-server-util.h>
 #include <libedataserverui/e-cell-renderer-color.h>
 
@@ -186,6 +188,22 @@ gcal_get_source_uid (GtkTreeModel *model,
   return uid;
 }
 
+const gchar*
+gcal_get_weekday (gint i)
+{
+  static const char* weekdays [] =
+    {
+      N_("Sun"),
+      N_("Mon"),
+      N_("Tue"),
+      N_("Wed"),
+      N_("Thu"),
+      N_("Fri"),
+      N_("Sat")
+   };
+  return _(weekdays[i]);
+}
+
 /* Function to do a last minute fixup of the AM/PM stuff if the locale
  * and gettext haven't done it right. Most English speaking countries
  * except the USA use the 24 hour clock (UK, Australia etc). However