[mkcal] Added USE_TRACKER define to cut out the qtsparql dependency

From d7ff38e92fcd4d7e25f2ef47c08ef2a0bd146530 Mon Sep 17 00:00:00 2001
From: Ruediger Gad <r.c.g@gmx.de>
Date: Thu, 5 Jul 2012 22:33:08 +0200
Subject: [PATCH] Added USE_TRACKER define to cut out the qtsparql
dependency
 and tracker related functionality.

Signed-off-by: Marko Saukko <marko.saukko@gmail.com>
[r.c.g@gmx.de: Fix #MER387 mkcal qtmobility plugin fails to load
 by letting SqliteStorage::notifyOpened(...) return always false if
 USE_TRACKER is not defined.]
Signed-off-by: Ruediger Gad <r.c.g@gmx.de>
[mkcal] Disable timed support