Add in support for the qt package.
qt now supports not setting arch or platform
qt 4.8.5 doesn't support system freetype, only qt5 does
add examples of building qt on darwin and linux.
Add in a test to verify qt builds correctly.
namespace and fix qt test package
Hand-merge origin/master in.

Remove Travis Qt test (doesn't build in time)
Merge pull request #180 from hashdist/robertmaynard-qt_pkg

Add Qt (robertmaynard)