xrootd: Make xrootd configuration comply with new policy

Changes spill over to other services too, but the main focus of
the patch is to rename all xrootd properties.

Introduces:

dcache.service.loginbroker.update-period
dcache.service.loginbroker.update-period.unit
dcache.service.loginbroker.update-threshold
pool.mover.xrootd.timeout.idle
xrootd.cell.name
xrootd.net.port
xrootd.net.backlog
xrootd.net.listen
xrootd.threads
xrootd.max-total-memory-size
xrootd.max-channel-memory-size
xrootd.service.poolmanager
xrootd.service.poolmanager.timeout
xrootd.service.poolmanager.timeout.unit
xrootd.service.pnfsmanager
xrootd.service.gplazma
xrootd.service.gplazma.timeout
xrootd.service.gplazma.timeout.unit
xrootd.service.billing
xrootd.service.loginbroker
xrootd.service.loginbroker.update-period
xrootd.service.loginbroker.update-period.unit
xrootd.service.loginbroker.update-threshold
xrootd.service.loginbroker.family
xrootd.service.loginbroker.version
xrootd.service.pool.timeout
xrootd.service.pool.timeout.unit
xrootd.root
xrootd.authz.read-paths
xrootd.authz.write-paths
xrootd.authz.user
xrootd.plugins
xrootd.mover.queue
xrootd.mover.timeout
xrootd.mover.timeout.unit
admin.net.listen
dcache.net.listen
dcap.net.listen
gsidcap.net.listen
kerberosdcap.net.listen
authdcap.net.listen
dcap.service.loginbroker
dcap.service.loginbroker.update-period
dcap.service.loginbroker.update-period.unit
dcap.service.loginbroker.update-threshold
authdcap.service.loginbroker
authdcap.service.loginbroker.update-period
authdcap.service.loginbroker.update-period.unit
authdcap.service.loginbroker.update-threshold
kerberosdcap.service.loginbroker
kerberosdcap.service.loginbroker.update-period
kerberosdcap.service.loginbroker.update-period.unit
kerberosdcap.service.loginbroker.update-threshold
gsidcap.service.loginbroker
gsidcap.service.loginbroker.update-period
gsidcap.service.loginbroker.update-period.unit
gsidcap.service.loginbroker.update-threshold
ftp.net.listen
gridftp.net.listen
kerberosftp.net.listen
ftp.service.loginbroker
ftp.service.loginbroker.update-period
ftp.service.loginbroker.update-period.unit
ftp.service.loginbroker.update-threshold
gridftp.service.loginbroker
gridftp.service.loginbroker.update-period
gridftp.service.loginbroker.update-period.unit
gridftp.service.loginbroker.update-threshold
kerberosftp.service.loginbroker
kerberosftp.service.loginbroker.update-period
kerberosftp.service.loginbroker.update-period.unit
kerberosftp.service.loginbroker.update-threshold
nfsv41.service.loginbroker
nfsv41.service.loginbroker.update-period
nfsv41.service.loginbroker.update-period.unit
nfsv41.service.loginbroker.update-threshold
srm.net.listen
srm.service.loginbroker
srm.service.loginbroker.update-period
srm.service.loginbroker.update-period.unit
srm.service.loginbroker.update-threshold
webdav.net.listen
webdav.service.loginbroker
webdav.service.loginbroker.update-period
webdav.service.loginbroker.update-period.unit
webdav.service.loginbroker.update-threshold

Deprecated:

loginBrokerUpdateTime
loginBrokerUpdateThreshold
xrootdPort
xrootd/port
xrootdBacklog
xrootdThreads
xrootdMaxTotalMemorySize
xrootdMaxChannelMemorySize
xrootdPoolManagerTimeout
xrootdPoolTimeout
xrootdRootPath
xrootdAllowedWritePaths
xrootdAllowedReadPaths
xrootdPlugins
xrootdUser
xrootdIoQueue
xrootdMoverTimeout
listen
srm.loginbroker
srm.loginbroker.period
srm.loginbroker.threshold

Removed (previously deprecated):

xrootdAuthNPlugin
xrootdAuthzPlugin

Target: trunk
Require-notes: yes
Require-book: yes
Acked-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Patch: http://rb.dcache.org/r/5642/