Version 0.3.3

Adds Qt5 support and some Linux packaging improvements.

Version 0.3.2

Also based on the two upstream zip archives (src and data)
with file permissions fixed and text files in UNIX format.

Import JAG 0.3.1

This is the pristine content of the upstream zip archive, with execution bits
removed from the files, and all text files changes to UNIX-like format.