Storage/tstVDIo: Plug leaks, modifications and start turning it into a proper testcase for unit tests
Storage/testcases: Include the tests scripts into tstVDIo for automated testing
Storage/testcase: Convert to new scripting language
header (C) fixes
Storage/tstVDIo: Add sync tests
Storage: Add an almost working QCOW backend, can handle version 1 images. Support for QCOW2 is incomplete
tstVDIo: Add testcase for QED
VD/Parallels: Cleanup, fixes and implement support for parallels image creation to make I/O testing possible
tstVDIo: New testcase for image cloning
tstVDIo: New command for printing messages (no formatting) and a new I/O test script using data verification