[packages] mosquitto: Upgrade MQTT tools to v1.1

[packages] mosquitto: Upgrade MQTT tools to v1.1

This is a bugfix and feature release.  Full release notes at
http://mosquitto.org/2012/12/version-1-1-released/

This also removes some unnecessary flags included by mistake in an earlier
update.

As before, I volunteer to maintain this package.

Signed-off-by: Karl Palsson <karlp@remake.is>
Signed-off-by: Vasilis Tsiligiannis <b_tsiligiannis@silverton.gr>
git-svn-id: svn://svn.openwrt.org/openwrt/packages@35098 3c298f89-4303-0410-b956-a3cf2f4a3e73