[KARAF-2649] Add spring-security 3.1.4.RELEASE feature
[KARAF-2635] Set felix.fileinstall.log.level to 3
[KARAF-2682] Upgrade to Pax-Web 1.1.16
[KARAF-2679] Remove state from spring and blueprint URL handlers. Use thread local TransformerFactory and DocumentBuilderFactory to prevent multiple threads of using the same instance.
[KARAF-2680] Add itests for spring-security and new enterprise features
[KARAF-2679] Fix license headers