Introduction of Spring Security framework (for testing)
More details implemented with Spring Security.
Merge branch 'master' of github.com:bearcheese/itm-blog into security

Conflicts:
	itm-java/itm-common/pom.xml
	itm-java/itm-web/pom.xml
	itm-java/itm-web/src/main/java/hu/bearmaster/itm/web/controllers/UserController.java
	itm-java/itm-web/src/main/webapp/WEB-INF/itm-servlet.xml
	itm-java/itm-web/src/main/webapp/WEB-INF/jsp/footer.jspf
	itm-java/itm-web/src/main/webapp/WEB-INF/jsp/header.jspf
	itm-java/itm-web/src/main/webapp/WEB-INF/jsp/index.jsp
	itm-java/itm-web/src/main/webapp/WEB-INF/web.xml
Small amendments after the merge.
Added more user related control code.
Updated Spring core and security versions to the latest
Updated mysql schema with constraint names.
Refactored jar dependencies, added dependency management, corrected Spring sec xml
Further enhancements with spring security
Checkstyle related changes.