Merge pull request #190 from sdeleuze/master

Upgrade to Spring 3.2.2.RELEASE
Merge pull request #191 from sdeleuze/master

Update changelog
[maven-release-plugin] prepare release resthub-spring-stack-2.1.0
[maven-release-plugin] prepare for next development iteration
[maven-release-plugin] prepare release resthub-2.1.0
[maven-release-plugin] prepare for next development iteration
Upgrade slf4j, logback, jackson, model mapper, async http client, hibernate, hibernate validator, ehcache, spring data, jetty and fest assert dependencies