Average function working
Merge branch 'master' of https://github.com/touzbi/feedback

Conflicts:
	WebContent/sessionInfoUI.html
	WebContent/stylesheet.css
	WebContent/testLoginPage.html
	WebContent/test_GiveFeedback.html
	WebContent/test_ItemCreation.html
	WebContent/test_ItemInfo.html
	WebContent/test_ItemList.html
	WebContent/test_RegistrationPage.html