This way regular and super user can log in.

But there are known bugs: the menu is the same for both users.
Merge remote-tracking branch 'origin/master' into login_regular_and_super

Conflicts:
	pollSys/system/PollSysOperation.java
	pollSys/system/impl/PollSysOperationImpl.java
	pollSys/ui/text/command/ClientLoginCommand.java
Merge remote-tracking branch 'origin/login_regular_and_super'