PLF-5898 : bundle the add-ons manager 1.0.0-RC2 (fix the deployment of scripts. The unix script doesn't have a .sh extension)
SWF-2923 : Create pkg-improv branch and update projects versions

Signed-off-by: Arnaud Héritier <aheritier@exoplatform.com>
PLF-5898 : Use the SNAPSHOT version of the add-ons manager
PLF-4469 : Allow to configure logs of Tomcat based distributions from ${catalina.base}/gatein/conf/exo.properties
PLF-4469 : rename configuration.properties (not used anymore) to exo-sample.properties (to be cleaned)
PLF-4469 : jbosscache and jgroups configurations must be loaded from classpath (platform-extension-config-VERSION.jar)
PLF-4469 : jbosscache and jgroups configurations must be loaded from classpath (platform-extension-config-VERSION.jar)
PLF-4469 : Extract exo-sample.properties from platform-extension-config.jar
PLF-4469 : shindig.properties is loaded from class path by default