Refactor Ice properties parsing in the MATLAB example suite

- Add OMERO properties function parsing
- Unify log message when instantiating a session
- Pass object IDs using property keys of type omero.<object>id
- Bump copyright headers
Add example of unencrypted session creation
Modify ReadData to retrieve unloaded projects and datasets
Review read data advanced example script for MATLAB
Add MATLAB example file explaining how to work with filesets
Parse omero.projectid key/value pair
Fix parseOmeroProperties() call in examples
Improve examples description as suggested by J-M/Balaji
Merge pull request #2510 from sbesson/rebased/develop/examples_paris_2014

Update MATLAB examples for 5.0.x (rebased onto develop)