minor fix to the build script when specifying kernel modules that should be forced to be loaded.
added FASTBOOT_URL and changed NET_FILE_METHOD to wget so that packages are loaded via http which is way faster than loading things exclusively via tftp.
minor optimizations regarding kernel module loading
more optimizations to the kernel module loading regarding nucs
moved the build.conf.hzdr and thinstation.conf.hzdr config files to a new "conf/hzdr" directory within "ts/5.1" and modified the mkhzdr script accordingly.