DOCS: bumped version number for release
Merge branch 'master' of github.com:psychopy/psychopy
DOCS: bumped version number for release
BF: ElementArrayStim was not updating its position using setFieldPos
BF: Resizing warning message needed new form glob_vars

When the stimuli got split into separate files the global variables broke
because they're only global within a file.
BF: logging messages were sometimes duplicated and weren't showing new vals
BF: allow unicode log messages to be sent to terminal by encoding
DOCS: bumped version number for release 1.80.04
Merge pull request #573 from jeremygray/master

ENH: RatingScale option labels=None now hides all labels