* [pthread] update to v3
* [flint, mosquitto, usbmuxd] bump CONTROL files and add final touches for PThreads4W v3
* [arb] add compatibility with PThreads4W
* [Pthreads]Modify library name "pthreadsVC2" to correct name "pthreadVC2".
* [pthreads]update Version
* [flint]fix dependence port pthreads library name to "pthreadVC2".
* [usbmuxd]fix dependence port pthreads library name to "pthreadVC2".
* [mosquitto]fix dependence port pthreads library name to "pthreadVC2".
* Add the "flint2" library.
* FIX: update library name
* FIX: only set MSVC version to VC14
* FIX: use static linkage
* DOC: display notification to the user
* [flint/CONTROL] add gettimeofday dependency
* [flint/portfile] move up linkage
* [flint/portfile] attempt to override the CRT linkage
