added intro menu, disabled color formatting

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
changed setup behaviour of ConsoleMenu, show 'Exit' on IntroMenu

Signed-off-by: Christian Lüthold <biocodr@gmail.com>
moved precondition to ConnectionMenu, removed UIConsole

Signed-off-by: Christian Lüthold <biocodr@gmail.com>