appDisplay: Remember selected view across sessions

The application picker will always open with the view that was last
selected during the session, but the selection is reset on each
restart. This results in some annoyance for users that use the
ALL view exclusively, as they have to toggle views once each
session - the same would apply to exclusive FREQUENT view users
were the defaults to be changed, so the best solution is to simply
make the selected view persistent by storing it in GSettings.

https://bugzilla.gnome.org/show_bug.cgi?id=710042
network: being able to use keyboard to connect to a Wireless

https://bugzilla.gnome.org/show_bug.cgi?id=710144
Bump version to 3.10.1

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