PLF-5897 : add bind_addr for jgroups
PLF-4469 : Add datasource properties documented in exo-sample.properties
PLF-4469 : gatein.jcr.db-structure-type has been kept whereas it is a pretty advanced use case. Remove it by default
PLF-5897 : Activate TCPPING by default for IDM with "JGroups 3 - TCP transpport" + Standardize ports/config for IDM vs JCR
PLF-5500 : Add in exo-sample.properties an example to configure quartz in cluster
PLF-4469 : Improve the ExtendedPropertyConfigurator to allow to define several set of properties-param and thus to unify/centralize the configuration of our default settings. (patch proposed by @nfilotto)
PLF-4469 : Allow to define assets versions with property exo.assets.version (By default it is the PLF version)
SWF-2923 : Create pkg-improv branch and update projects versions

Signed-off-by: Arnaud Héritier <aheritier@exoplatform.com>