Tag 5.6.dev5 with fixes for pyinotify

Tag 5.6.dev4 pre-release

Tag 5.6.dev3 with numerous fixes

Tag 5.6.dev2 with integration tests passing under Python 2 and Python 3

This does not include ongoing work on OMERO.tables and the byte/string return type of the file reading API.

Tag 5.6.dev1 with futurized py2+3 support

Focuses on stabilizing integration tests under
Python 2. OMERO.tables work has been postponed
for a later tag.

Tag 5.5.1 decoupled python

This commit most closely matches the code in the
OMERO.server 5.5.1 zip.

Tag 5.5.dev2 with Ice dep

Tag version 5.5.dev1