Release 0.16.3

Bug Fixes

• #660 and #659 no longer use scipy.misc.imresize, which has been removed from scipy
• #661 miscellaneous fixes to example notebooks. Affected notebooks:
  • https://allensdk.readthedocs.io/en/latest/_static/examples/nb/cell_specimen_mapping.html
  • https://allensdk.readthedocs.io/en/latest/_static/examples/nb/pulse_stimulus.html
  • https://allensdk.readthedocs.io/en/latest/_static/examples/nb/receptive_fields.html