Formatted all sources and manually tuned some files to make the code look neater.
See script directory for method. The script to run in the top level MaxScale directory is called maxscale-uncrustify.sh, which uses another script, list-src, from the same directory (so you need to set your PATH). The uncrustify version was 0.66.
No good reason for keeping that platform adjustments anywhere else but in cdefs.h.
To be included first in all headers. Defined and included common ground and provides a place when one can affect all code.
