Version 1.1 of cramfs does not build anymore with glibc 2.28 because
since this version glibc no longer includes <sys/sysmacros.h> from
<sys/types.h>, and therefore <sys/sysmacros.h> must be included
explicitly when major()/minor() are used.

To fix this issue, use new upstream project which includes
https://github.com/npitre/cramfs-tools/commit/434aabd67a39165ee0750c0e0d25213bf2ec8fa5

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>

2.Seperate dependencies now used for ubuntu 17
	- cramfsprogs is not in default repos for 17

Due to the way we check for missing commands, errexit will cause the script to quit too soon.

This is automatically pulled in by python-qt4, pyside and others