Added the group edit page and controller logic for both HTTP GET & POST.
Merge branch 'master' of https://github.com/destroyerdust/SWEN-343-Group6-CoolName.git
Merge branch 'master' of https://github.com/destroyerdust/SWEN-343-Group6-CoolName.git
Added the edit group button on the groupList page if the logged in user
is the owner of the group