LCGDM-1432: enable hiera params for dmlite::plugins::mysql::params
LCGDM-1435: remove dependency on xrootd::install

it should resolve by the deps of dpm-xrootd
LCGDM-1438: change conn_timeout to 15 (was 2)

this affects the adapter plugin and the timeout its dpm client
use to connect to dpm and dpns.
retries stays at 3.
LCGDM-1459: change the log files configured for xrootd
remove the 'lookup_table' parameter from memcache

as it is no longer valid
change memcache default connection size to 2000
change memcache defaults

connections -> 250
timeout -> 600
add configuration for dmlite log levels
enable dav RemoteCopy by defaul
enable configuring the main dmlite parameters with hiera
add default value for #$logcomponents
only switch off the gridftp-server startup if it's activated
add more comments to the dmlite logging config
fix dmlite config syntax

log_level -> LogLevel
allow the poolmanager and catalog memcache plugin separate config

if enable_memcache is true, it enables both catalog and poolmanager.
if one of enable_memcache_(cat|pool) is on, it supersedes
enable_memcache and activates the component separately.
enable_memcache_cat = true and enable_memcache_pool = true is equal to
enable memcache = true
let dmlite memcache params be configured by hiera
LCGDM-1465: fix the creation of xrootd log directories
adding deps to NS conf, to fix a startup issue
Merge branch 'qa' of https://git.cern.ch/kerberos/it-puppet-module-dmlite into qa
add a config var for the dmlite config to xrootd