Added "edit articlce" functionalities.
Merge branch 'development' of https://github.com/IonutParaschiv/ExamProject into development

Conflicts:
	ExamProjectCMS2014/src/java/dk/tordur/secondsemester/webapp/ArticleServlet.java
	ExamProjectCMS2014/src/java/dk/tordur/secondsemester/webapp/SystemArticleHandler.java