Upgrade AX_HAVE_QT to support Qt 5.0
Fix a warning/error that occurs with some versions of Autoconf
Don't require QtTest
oops, Autoconf warning
Use lua-cxx's pkg-config configuration
Support Qt 5.0
Use Qt to load init.lua
Fix some issues in the Boost M4 macros
Add unpack if it's not defined already

This was moved into the table table in 5.2, but I like it enough
to keep it around.
Exclude some of the test scripts by default
Allow the user to customize the location of Fritomod, persistence, etc.