docs: Remove obsolete and incorrect Windows XP install notes
OmeroPy: Use Python 2.6 features unconditionally
OmeroWeb: Use Python 2.6 features unconditionally
OmeroPy: Revert pyinotify change
Merge remote-tracking branch 'origin/develop' into python26-minver
OmeroPy: Remove Python2.5 elementtree fallbacks
OmeroPy: Use Python2.5+ form of strptime
Merge pull request #1418 from rleigh-dundee/python26-minver

Use Python 2.6 features unconditionally