Prompt to move SYSTEM's .kalite data
Prompt to move SYSTEM's .kalite data

Also refactor to remove global variable prevVerStr.

learningequality/installers,benjaoming/installers,mrpau/installers,benjaoming/installers,ruimalheiro/installers,ruimalheiro/installers,benjaoming/installers,learningequality/installers,learningequality/installers,mrpau/installers,learningequality/ka-lite-installers,learningequality/installers,mrpau/installers,benjaoming/installers,learningequality/ka-lite-installers,mrpau/installers,ruimalheiro/installers,learningequality/ka-lite-installers,learningequality/ka-lite-installers,ruimalheiro/installers