Adicionando controle de login e cookies
Merge branch 'master' of https://github.com/luksfarris/MC851-Quack

Conflicts:
	Quack/src/main/java/quack/ServerImpl.java
	Quack/src/main/webapp/UserPage.jsp
Merge branch 'master' of https://github.com/luksfarris/MC851-Quack