Done: Remove groups and remove users from group now works.

Todo: Print out the project leaders name in the list of groups,
add functionality to handle existing groups.
Solve merge conflict
Merge branch 'master' of https://github.com/ada10lgu/etsn05.git

Conflicts:
	BaseBlockSystem/src/LogIn.java
	BaseBlockSystem/src/servletBase.java
Merge branch 'master' of https://github.com/ada10lgu/etsn05.git

Conflicts:
	BaseBlockSystem/src/LogIn.java
Merge branch 'master' of https://github.com/ada10lgu/etsn05.git