Mini-release so that proper version gets uploaded to PyPi

v1.2.1

bump version correctly (#584)

v1.2.0

Big changes:

• Removal of point_neurite code
• Python 3 support

Small chages:

• morph_stats and morph_check both read configs and test their validity, and fail early
• iter_segments will iterate over Section()
• morph_stats aware of features over X/Y/Z
• Added ASV benchmarking code
• BlockNeuronBuilder for easier DataWrapper block creation
• Better neurolucida handling (still not a production reader, though)

Version 1.1.1

This patch release has small updates to simplified installation instructions.

Version 1.1.0

• convex hull & neurite volume density calculation
• CSV output option for morph_stats
• simplified installation
• updates to documentation
• promote iter_sections to neurom (public API)