* Enable dynamic linking for pthreads-win32
* Add -mthreads to compiler and linker flags
* Modify nsis installer script to include pthreadGC2.dll and mingwm10.dll
* Add flarq to build system and installers
* Modify test scripts
* Add flarq manual page
* Add flarq command line argument handling
* Improve flarq's windowing system support
The win32 installer is generated by running scripts/mknsisinst.sh via
`make nsisinst'. This target is available only if `makensis' is present
on the build system.