added TimeStamp field

for displaying statistics about the timestamp
statistical helper functions
showSync() really has a timestamp as argument

not a 'state';
explain the meaning of the timestamp
function to display current SMi-timestamps

shows the median timestamp and a bit of statistics
split getTimestamps() from syncTimestamps()

getTimestamps() gets all active timestamps.
syncTimestamps() extracts min/max from it (for synching purposes)
display timestamps on ping
regenerate MIXconfig-GUI

to display timestamp
print based on log-level
modularization and debugging output

to see why recording does not start in synch
document log-levels