Fix RunManager copyRequiredFiles Regression

Variable name was transposed when extracting `copyRequiredFiles`
function during the last bug fix.

@macumber
Adding unit test
PAT now remembers the last opened directory [#559]
OpenStudio now remembers the last opened directory, closes #81
Fixes #131, fixes #142
Launching the Ruby bindings normally or through SketchUp on OS 10.7 and earlier will now warn the user rather than crashing, fixes #245
More informative error message
Merge branch 'develop' of github.com:NREL/OpenStudio into develop
Updating version to 1.4.1 [#68827016]
Merge remote-tracking branch 'remotes/origin/develop' into 68910816-959-RefactorDataPointOutputAttributes