Pick qt_menu.nib from user-specified QTDIR environment variable
Merge pull request #91 from lvillani/feature/pick-qt-menu-nib-from-qtdir-env

Pick qt_menu.nib from user-specified QTDIR environment variable.
Add hook for countrycode
Merge pull request #93 from glennra/develop

Add hook for countrycode
Add printsupport to plugins
Merge branch 'develop' of github.com:glennra/pyinstaller into develop
Clarify adding and accessing data files.
Merge pull request #94 from glennra/develop

Add printsupport to Qt5 plugins
Merge pull request #96 from tallforasmurf/develop

Clarify adding and accessing data files.
Normalize TOC "DATA" paths to prevent multiple inclusion on Windows

This is implements the patch suggested on
http://www.pyinstaller.org/ticket/783

This should also fix a similar problem on OS X when
case-insensitive HFS+ is used.