Manpages of postgresql-common in Debian experimental

• pg_backupcluster(1)
• pg_buildext(1)
• pg_conftool(1)
• pg_createcluster(1)
• pg_ctlcluster(1)
• pg_dropcluster(1)
• pg_getwal(1)
• pg_lsclusters(1)
• pg_renamecluster(1)
• pg_restorecluster(1)
• pg_updatedicts(8)
• pg_upgradecluster(1)
• pg_virtualenv(1)