Zabbix: update to 2.2.3 and add PKG_LICENSE

Signed-off-by: Etienne CHAMPETIER <etienne.champetier@free.fr>
sqlite3: import 3.7.12.1 (2012-05-22) from packages

Signed-off-by: Etienne CHAMPETIER <etienne.champetier@free.fr>
sqlite3: update to 3.8.4.3 (2014-04-03), add myself as maintainer

Signed-off-by: Etienne CHAMPETIER <etienne.champetier@free.fr>