PLF-5960 update change log and release notes for PLF 4.1-M2
[PLF-5960] Upgrade dependencies to latest releases
[maven-release-plugin] [PLF-5960]prepare release 4.1-M2
[maven-release-plugin] [PLF-5960]prepare for next development iteration
SWF-2923 : Create pkg-improv branch and update projects versions

Signed-off-by: Arnaud Héritier <aheritier@exoplatform.com>
PLF-5894 : Upgrade packaged Apache Tomcat 7.0.42 -> 7.0.53
Don't bundle tomcat7-websocket library that x3 the startup time
http://wiki.apache.org/tomcat/HowTo/FasterStartUp
PLF-5915 : Upgrade slf4j 1.7.5 -> 1.7.7
PLF-5915 : Upgrade logback 1.0.11 -> 1.1.2
PLF-5915 : Upgrade jansi 1.9 -> 1.11
PLF-5911 : Remove mobile redirection feature from platform community
PLF-4261 : Set ignore.unregistered.webapp to false in dev mode
PLF-5684 : Generate a new artifact with all PLF projects sources
PLF-5894 : Upgrade apache tomcat 7.0.53 -> 7.0.54
PLF-5898 : Use the SNAPSHOT version of the add-ons manager
Use maven-parent-pom 13

Conflicts:
	pom.xml