XX-11118: spring framework update

-upgrade spring core, beans, context, aop, expression to latest RELEASE 4.0.3
-upgrade spring security to version 3.2
-spring web and javax.servlet remains at 3.1.4 due to JETTY 5 limitation to servlet spec 2.x
-spring orm and jdbc remain at 3.1.4 due to major api change in version 4
-add spring boot dependencies
-upgrade jackson at 2.3.3
-upgrade velocity at 1.7
-add websocket dependencies
-add tomcat 7.0.52 jar with websocket support (in a second step will upgrade jetty to a version that supports websockets)
-project build changes to meet api change
-change scheduling technicque with latest spring support (instead of using java.util.Timer)