Add openstack-xen-plugins

Signed-off-by: Euan Harris <euan.harris@citrix.com>
Merge pull request #92 from euanh/openstack-xen-plugins

Add openstack-xapi-plugins RPM
Rename xenserver to xenserver-core

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge branch 'master' into make-srpms
Merge pull request #93 from djs55/make-srpms

Rename xenserver to xenserver-core
Update xcp-idl, libvhd, ffs

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #94 from djs55/make-srpms

Update xcp-idl, libvhd, ffs
Update xcp-idl, sm-cli, libvirt storage and xapi

Signed-off-by: David Scott <dave.scott@eu.citrix.com>
Merge pull request #95 from djs55/make-srpms

Update xcp-idl, sm-cli, libvirt storage and xapi
Merge pull request #96 from euanh/build-improvements

build: Use the correct architecture when building packages
build: Put RPMs in architecture-specific subdirectories

Until now we have been putting all the RPMs we build in
RPMS/x86_64.   Now that we also build noarch RPMs, we
should have a more appropriate directory structure.

Signed-off-by: Euan Harris <euan.harris@citrix.com>