add user singleInstance property in portable version
Fix loading two times the same image when building a thumbnail
Update panner
Fixing the problem with maven-scr-plugin:
  A required class is missing: org/codehaus/plexus/util/Scanner
Also detected here: https://opencast.jira.com/browse/LECTURESIGHT-49
Adapt the RawReader to read image by tile
Add in audit logger download information (type, size, time, rate)

Conflicts:
	weasis-dicom/weasis-dicom-explorer/src/main/java/org/weasis/dicom/explorer/wado/LoadSeries.java