Added minilog functions to allow marker synchronisation: To keep the live data in the background a second buffer had to be added which stored the live data modified to match a specific marker. To archive this stretching and compression functions have been added. In addition a type has been solved "life"=>"live"

Heinrichs Weikamp OSTC4 update files.

The builds are for testing purposes only. Be careful, they might not work and are definitely not recommended for real dives.