Makefile: Remove deps file if dependency generation fails

Signed-off-by: Euan Harris <euan.harris@citrix.com>
Merge pull request #569 from euanh/build-improvements

Makefile: Remove deps file if dependency generation fails
configure: Rename configure.sh to configure

 * Add a temporary symlink from configure.sh to configure to prevent
   existing builds from breaking

Signed-off-by: Euan Harris <euan.harris@citrix.com>
Add the location of hvmloader to the search path

Signed-off-by: Jon Ludlam <jonathan.ludlam@citrix.com>
update-mh-info is important for changing management interface

So it shouldn't just fail.

Signed-off-by: Jon Ludlam <jonathan.ludlam@citrix.com>
Merge pull request #571 from jonludlam/hvmloader-path

Add the location of hvmloader to the search path
Merge pull request #570 from euanh/build-improvements

configure: Rename configure.sh to configure
Add ocaml-backtrace.0.1

Signed-off-by: David Scott <dave.scott@eu.citrix.com>