Partial implementation of file description management.
Transfer file description to the XML file.
Bug fix with last selected microscopy file being remembered after a rescan.
Fix issue with updating the editor when scanning openBIS.
Fixed some more editor update misbehavior when selecting nodes in the data viever.
Merge branch 'feature/file_description' into devel
Set version to 0.5.1 (alpha).
Modified Annotation Tool logo.
Minor change in the explanation for the experiment description in the editor.
Fix typo.
Upgrade loci_tools.jar to version 5.0.4.
Keep track of hierarchy depth when recursively scanning the user folder.

Started implementing issue #2.
Composite datasets are now recognized but not processed.

The code is in place to recognize and add composite datasets to the data tree, but currently all files in the composite datasets are aded to the list of invalid files since there are no dedicated processors yet.
Merge remote-tracking branch 'aarpon.ath.cx/feature/composite_datasets' into devel
Added initial incomplete implementation of the Leica TIFF series composite reader.
Added initial support to the Leica TIFF series in MicroscopyProcessor.
Replaced loci_tools.jar with bioformats_package.jar and reduced debugging info in MicroscopyReader.

Still investigating with LOCI why there are all those apparent exceptions logged even though there does not seem to be real issues with the code.
Updated dss client libs to version S188.
Composite datasets can now also be edited in the Microscopy Editor.
Store the type of the composite reader in the attributes.