Merge pull request #94 from amccarthy/master

[libconnman-qt] Only emit NetworkService signals when properties change.
[connman-qt] update saved services properties when setting up
Merge pull request #95 from lpotter/master

[connman-qt] update saved services properties when setting up
bump version to 1.0.48
[connman-qt] need to set delayedReply on browser dbus message.

might as well pass this along into UserAgent in case we need it there
Merge pull request #96 from lpotter/master

[connman-qt] need to set delayedReply on browser dbus message.
bump version to 1.0.49
[connman-qt] Always return a network service object as the default route.

Always return a valid object, representing an invalid network service,
when no default route is set. Simplifies the API as no default route
set was represented as either a null network service or a valid network
service object with the state property set as an empty string.