Start app on system launch, NotificationsService that will keep app running in background, special connection to receive update only about new messages, option to disable NotificationsService
Merge remote-tracking branch 'remotes/upstream/dev' into dev

Conflicts:
	TMessagesProj/src/main/java/org/telegram/messenger/MessagesController.java
	TMessagesProj/src/main/res/values-it/strings.xml