* Merge from Debian unstable (LP: #1351307). Remaining changes: - debian/control: Build-Depends on libcfg-dev; Depends on libheartbeat2. * Corosync's pacemaker plugin is disabled, hence not built: - debian/licrmcluster4-dev.install: Do not install plugin.h. - debian/pacemaker.install: Do not install pacemaker.lcrso.