ENH: Title of MessageDialog is localized.
FF: '_' must not be used as a variable name.
ENH: localize messages in DlgConditions, resize buttons
ENH: Unify hint strings for 'name', 'startEstim' and 'durationEstim'
BF: Tooltip was not set to 'name' of Code component
FF: hint string for 'size' of Polygon component was too long.
TEST: update Japanese translation
Merge branch 'feature-localization' of github.com:hsogo/psychopy into feature-localization

* 'feature-localization' of github.com:hsogo/psychopy:
  TEST: update Japanese translation
  FF: hint string for 'size' of Polygon component was too long.
  BF: Tooltip was not set to 'name' of Code component
  ENH: Unify hint strings for 'name', 'startEstim' and 'durationEstim'
  ENH: localize messages in DlgConditions, resize buttons
  FF: '_' must not be used as a variable name.
  ENH: Title of MessageDialog is localized.
TESTS: fix localization test