Now compiles under OS X.

* Removes --version-script switch if darwin system is detected
* autoconfiscate not looks for glibtoolize
* __SOCKADDR_ARG defined to struct sockaddr if __APPLE__
Merge changes from jameskyle for [bugs:#2646] sblim-sfcc does not compile on apple systems
adjustments to fix for [bugs:#2646]
[bugs:#2648] Remove Large Volume Support from SFCC