Log Message:
Update to 1.2.15.3.
Note that MAKE_JOBS_SAFE=no seems unnecessary.
Set LICENSE.

Version 1.2.15.3
	2012-11-01
	* Fix configure.ac so that rigctld/rotcld work on Win32 platform
	* Add NSIS script to build executable installer on Win32 platform
	* Remove unsupported commands on IC-756 (non-Pro model) from AK6I
	* Fix set_split in netrigctl.c to properly accept the split
		value.  TNX, N2ADR.
	* IC-R8500: Add RIG_LEVEL_AF to has_set_level.  TNX John, EI7IG
	* ADAT updates from Frank, DG1SBG, needed for stable operation.