Fixed several minor glibc bugs.
Made profile.bashrc more complete.
Removed gcc hacks.
Removed obsolete gcc patch.
Properly implemented dynamic linker prefixing.
Merge branch 'master' of ../prefix-libc

Conflicts:
	profiles/features/rap/profile.bashrc
	sys-devel/gcc/Manifest
	sys-devel/gcc/gcc-4.7.3.ebuild
	sys-libs/glibc/Manifest
Committed bootstrap script.
Merge branch 'master' of ../prefix-libc

Conflicts:
	scripts/bootstrap-prefix-redlizard.sh
	scripts/bootstrap-prefix.sh
	scripts/bootstrap-rap.sh