Bump version: 5.6.2.dev1 → 5.6.2

tag 5.6.1

Tag 5.6.0 with Python support

Tag 5.6.dev10 pre-release with bin/omero removal

Tag 5.6.dev9 pre-release with StringColumn Unicode fix

Tag 5.6.dev8 with OMERODIR requirement

Tag 5.6.dev7 with minor fixes

Tag 5.6.dev6 pre-release with packaging changes (omero_ext.path, Pillow)

Tag 5.6.dev5 with fixes for pyinotify

Tag 5.6.dev4 pre-release