[KARAF-2805] Convert SCR commands to the new model
[KARAF-2773] Refreshing the console bundle closes karaf
Regression with the new console.
Also, make sure that we usually end up on a new line after stopping the console so that in case of a restart, the banner is correctly displayed.
[KARAF-2805] Flag all classes from shell/console as deprecated
Revert [KARAF-2763] and update demo / manuel for [KARAF-2805]
Revert [KARAF-2762]
[KARAF-2805] Remove the help bundle which is now integrated in core