The mock is nw the default, the old dev file was of no use outside the 
setup project, so it is kept there now.

Now we again have a dev and prod variant and the user needs to run 'make 
init-dev-config'at first time setup.

rename TERMINATING to TERMINATED wo have the one reported to backend/monitor to be TERMINATED and teh internale state (former TERMINATED) wich cames when locking was successful to FINISHED (not LOCKED because possible future confusion)

new booklet config parameters implemented: page_navibuttons, unit_menu, unit_screenheader, unit_title (not all options)

introducing srcdoc polyfill for edge

interceptor + php slim ...
compiles without errors, login working

refuse unit nav if not presentationComplete but time  over

start-code prompt
restore last testlet time only if hot
wrap navbuttons only

enter startlockbuttondialog
logging off
pagenavi off
naviarrows off