download-toolchains:
 * update all gcc-4.x based download-toolchains to r12440(non-NPTL) / r12441(NPTL)
 * refs #1939, refs #2519


git-svn-id: file:///var/svn/freetz/trunk@12442 149334a1-2f27-0410-a3b9-fc62619ac1e6
download-toolchain for uClibc-0.9.33/NPTL based boxes:
 * revert parts of r12342, accept4-version contained within the download-toolchain from r12442 works with all kernel versions
 * refs #2519, refs #1939


git-svn-id: file:///var/svn/freetz/trunk@12443 149334a1-2f27-0410-a3b9-fc62619ac1e6