add MultiPickContacts support

Change-Id: Ibae53636681f181725870faef5e80c989a37ec92
Signed-off-by: martincz <martincz@mokeetek.com>

Conflicts:
	res/values-zh-rCN/strings.xml
	res/values/strings.xml
Mms: MultiPick BtnOK Enable Check

Change-Id: I5407323751a879a7dbbc7b07ae5ffb75ab3df86f
Signed-off-by: martincz <martincz@mokeetek.com>