Controlix Code-new

* Compile everything with g++ instead of gcc, to catch errors

* Bunch of makefile and link related fixes

* Fixed a bunch of smaller errors in specc_simlib, mostly
dealing with lack of a POSIX environment.

* Small makefile fix

* Fixed syscall() code (had no actual code!)
* Fixed makefile to add linking to tinyprintf
* Removed old broken printf() and replaced with tinyprintf

* Fixed va_arg problems
* Fixed makefile problems

* Bunch of minor bugfixes to source and makefile

* Updated the build instructions

* More small fixes for building specc_simlib

* Added makefile for Controlix