Merge pull request #46 from lpotter/master

[connman] fix crash trying to access NULL pbject
[connman] Fix resetting data counters when not connected.

Immediately update the stats file when resetting the data counters.
Revert "[connman] fix crash trying to access NULL pbject"

This reverts commit f10a9d3c9d5a6d21bcfe591f384807aeaf652518.

This causes services to not be removed when powering off wlan.
Merge pull request #47 from amccarthy/master

[connman] Fix resetting data counters when not connected.
[connman] fix crash when dbus message is NULL