Updated header to fit 1024x768 resolution

Try it out and ask what the others think about it before merging.
There are still much work to do on all backlog items on this resolution.
Will get into that next.
Mixed changes

* Update of Jquery, JqueryUI and BlockUI
* Fixed the individual save button to disable if nothing changed
* Fixed the dropdown menu to look better
* Code optimization and clean ups
Merge branch 'master' of https://github.com/nilsi/BacklogTool

Conflicts:
	src/main/webapp/WEB-INF/views/epic-story.jsp
	src/main/webapp/WEB-INF/views/header.jsp
	src/main/webapp/WEB-INF/views/home.jsp
	src/main/webapp/WEB-INF/views/story-task.jsp
	src/main/webapp/WEB-INF/views/theme-epic.jsp
	src/main/webapp/resources/css/styles.css
	src/main/webapp/resources/js/scripts.js