Replaced some apparently Qt3-dependent code.
- remove warning
- use a thread to advance auto layout
- ui3window: add slot that is invoked when copasi is shutting down
- don't force disabling of asserts in debug builds
- fix for issue 1944: assert when exporting event the second time
- Fix for Bug 1949: Problems casting to CFunction
Fixed problem occurring when unquoting a metabolite name which requires
quotes has already been unquoted before.
Added CQLayoutThread to the sources and headers.