[connman] proxy: remove timeout on proxy cleanup

Make sure the timeout source is cleaned when proxy_lookup struct is
deallocated.
Merge pull request #155 from hmallat/proxy-crash-fix

[connman] proxy: remove timeout on proxy cleanup
[connman] fix memory access error when send "Hidden" to dbus

dbus_bool_t (32bit) and bool are two different types and has different
size.
Merge pull request #156 from wengxt/master

[connman] fix memory access error when send "Hidden" to dbus
[connman] vpn: Do not start connman-vpnd automatically

To save memory for most users, disable connman-vpnd D-Bus activation
(connmand vpn plugin will issue a net.connman.vpn call at startup)

The daemon can still be started and stopped with systemctl after the
changes.
Merge pull request #158 from hmallat/do-not-start-vpnd-on-bootup

[connman] vpn: Do not start connman-vpnd automatically
ipconfig: Fix potential memory leak in __connman_ipconfig_newaddr()
Merge pull request #160 from tigeli/fixmemleak

[connman] ipconfig: Fix potential memory leak in __connman_ipconfig_newaddr()