Change manager's StateChange signal to StateChanged for consistency.
* introspection/nm-manager.xml
- Add 'StateChanged' signal
- Move 'StateChange' down to the deprecated section
* src/nm-hal-manager.c
- (nm_hal_manager_new): connect to 'state-changed' instead
* src/NetworkManagerPolicy.c
- (nm_policy_new): connect to 'state-changed' instead
* src/nm-manager.c
src/nm-manager.h
- (nm_manager_update_state): emit both 'state-changed' and 'state-change'
- (nm_manager_class_init): add 'state-changed' and not the deprecation
of 'state-change'
* libnm-glib/nm-client.c
libnm-glib/nm-client.h
- (constructor, nm_client_class_init, client_state_changed_proxy):
track and proxy 'state-changed' instead of 'state-change'
git-svn-id: http://svn-archive.gnome.org/svn/NetworkManager/trunk@3393 4912f4e0-d625-0410-9fb7-b9a5a253dbdc
bf974b6aa4