Enable linking CopasiUI statically to libgcc and libstdc++.
Fixed order of libraries so that expat symbols are resolved.
Added script to create MacOS X package with PackageMaker.
Completed implementation of MacOS X installer.
Made shellscript executable.
Added macdeplayqt.
Created script to build LinuxTGZ package.
The LD_LIBRARY_PATH is only set if Qt libraries are not found.
Improved CopasiUI script to detect missing Qt symbols.
Updated COPASI version to 4.12.