* introduce FREETZ_AVM_VERSION_*_MAX symbols (needed for some following fixes)
 * rewrite FREETZ_AVM_VERSION_*_MIN symbols (use the same scheme as for FREETZ_KERNEL_VERSION_* and FREETZ_AVM_GCC_VERSION_*)
 * refs #1538


git-svn-id: file:///var/svn/freetz/trunk@12032 149334a1-2f27-0410-a3b9-fc62619ac1e6