COMP: Fix check in midas_api_upload_extension macro

Since the variable ${var} were defined in the parent scope, no warning
were displayed.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22639 3bd1e089-480b-0410-8dfb-8563597acbee
COMP: Tweak midas_api_upload_extension macro test case

Add link to existing screenshot and also add a svn example.

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22640 3bd1e089-480b-0410-8dfb-8563597acbee
BUG: Attempt to fix font issue related to webkit performance on MacOSX 10.9

Associated message in the system log:
CoreText performance note: Client called CTFontCreateWithName() using name "Lucida Grande" and got font with PostScript name "LucidaGrande". For best performance, only use PostScript names when calling this API.

See https://bugreports.qt-project.org/browse/QTBUG-32789 and
http://successfulsoftware.net/2013/10/23/fixing-qt-4-for-mac-os-x-10-9-mavericks/

Fixes #3460

git-svn-id: http://svn.slicer.org/Slicer4/trunk@22641 3bd1e089-480b-0410-8dfb-8563597acbee