User:NThomas:Mac BUILDTARGET

This is to track what Mac builds use to query for app and blocklist updates. It's all from the switch from ppc+i386 Universal builds to i386+x86_64, and supporting that on older branches.

• bug 552924 - Allow distinguishing Universal ppc/i386 from Universal i386/x86_64 builds in AUS request
• bug 571367 - turn production x86_64 builds into i386/x86_64 universal binaries

Branch	Version	Build type	BUILDTARGET(s)	FTP dir
Gecko 2.0 (Fx4.0)	2.0b7 - (Fx 4.0b7 -)	i386 + x86_64 Universal	Darwin_x86_64-gcc3-u-i386-x86_64 Darwin_x86-gcc3-u-i386-x86_64	mac mac64
	2.0b5 - 2.0b6 (Fx 4.0b5 - 4.0b6)	ppc + i386 Universal	Darwin_ppc-gcc3-u-ppc-i386 Darwin_x86-gcc3-u-ppc-i386	mac
	1.9.3a1 - 2.0b4 (Fx 3.7a1 - 4.0b4)	ppc + i386 Universal	Darwin_Universal-gcc3	mac
	1.9.3a5 - 2.0b6 (Fx 3.7a5 - 4.0b6)	x64_64 mono-arch	Darwin_x86_64-gcc3	mac64
Gecko 1.9.2 (Fx3.6)	1.9.2.13 - (Fx 3.6.13 -)	ppc + i386 Universal	Darwin_ppc-gcc3-u-ppc-i386 Darwin_x86-gcc3-u-ppc-i386	mac
	1.9.2a1 - 1.9.2.12 (Fx 3.6a1 - 3.6.12)	ppc + i386 Universal	Darwin_Universal-gcc3	mac
Gecko 1.9.1 (Fx 3.5)	1.9.1.16 - (Fx 3.5.16 -)	ppc + i386 Universal	Darwin_ppc-gcc3-u-ppc-i386 Darwin_x86-gcc3-u-ppc-i386	mac
	1.9.1a1 - 1.9.1.15 (Fx 3.1a1 - 3.1b3 & 3.5b4 - 3.5.15)	ppc + i386 Universal	Darwin_Universal-gcc3	mac