Various changes:
- Updated script to directly create a vhd file using blktap-utils
- script cleanup .. added more checking
- updated link to ubuntu tar file to most recent
- removed createVHD.sh script a it is no longer needed
- created mountVHD and unmountVHD scripts to mount and umount vdh files.
Merge branch 'master' of https://github.com/creategui/CloudStackImageScripts

Conflicts:
	README.md