* Merge from debian unstable. Remaining changes: + Xen 3.3 -> Xen 4.1 migration: - libxenstore3.0: Conflict and replaces libxen3. - libxen-dev: Conflict and replaces libxen3-dev. - xenstore-utils: Conflict and replaces libxen3. - xen-utils-4.1: Conflict and replaces libxen3, python-xen-3.3, and xen-utils-4.1. + Make sure the LDFLAGS value passed is suitable for use by ld rather than gcc. + Dropped upstream patches: - debian/patches/disable-unused-but-not-set-error.patch: Applied upstream. - debian/patches/xc-dom-restore-set-but-not-used.patch: Applied upstream. - debian/patches/xc-dom-restore-set-but-not-used.patch: Applied upstream.