Activated reset of sample information within header data at time of sector erasing: After sample information have been erased the header are pointing to empty storage locations. To redefine the headers the sample addresses will be set to zero incating that no data is available. In that case the dummy functionality implemented by the last commits will be applied

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.