GlobalActionsKeyBinder: do not depend on actions

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
Add master process config

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
+ MasterController.init_core and init_gui methods

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
Fix signature of AppRunner.send_message()

To match MessageClient.send_message()

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
Add handled-flag to action_activated signal

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>
Global Keybindings are managed in Master process

Signed-off-by: Jiří Janoušek <janousek.jiri@gmail.com>