- use also aarch64 qemu binfmt misc handler, it got renamed upstream
- support to run test suite as part of the build package
add a generic test case
make it possible to skip 2nd_stage test when building already inside of build
- use target auto-detection for test case
- export vhd files of kiwi appliance builds
- support "drop repository" switch for product builds
Use QEMU 1.7.x compatible syntax for ARMv7 KVM builds

virtio-blk is mapped to virtio-blk-pci by default, but that
doesn't exist on ARM (there is no PCI bus).