ENH: localization - smoothing several minor issues
TEST: fix default values test
RF: minor adjustments
Merge branch 'feature-localization' of github.com:hsogo/psychopy into feature-localization

# By Hiroyuki Sogo
# Via Hiroyuki Sogo
* 'feature-localization' of github.com:hsogo/psychopy:
  FF: Prevent font corruption of PlateButtons in Linux
  TEST: update Japanese translation

Conflicts:
	psychopy/app/builder/builder.py - resolved with minor adjustment to localizing platebutton labels
RF: linearise -> linearize internally in monitor calib code

(commit to be distinct from localization work)
ENH: localize MonitorCenter.py

- not yet RF'd for strict separation of MVC in drop-down menus
- dropdown menus not setting selected values, but not doing so in upstream master either
ENH+DOC: more strings to localize in MonitorCenter.py

- need to add psychopy/monitors/ to the poedit search path
FF: remove debugging print statement
ENH: localize "Input Text" dialog
ENH: support non-ascii calibration notes