Remove quickstart and clean-up GUI/CLI

0-gui/README.md

0-gui/images/CreateKeyPair1.png

0-gui/images/CreateKeyPair2.png

0-gui/images/CreateKeyPair3.png

0-gui/images/SecurityGroups1.png

0-gui/images/SecurityGroups2.png

0-gui/images/SecurityGroups3.png

0-gui/images/allocate_IP0.png

0-gui/images/allocate_IP1.png

0-gui/images/allocate_IP2.png

0-gui/images/allocate_IP2a.png

0-gui/images/allocate_IP3.png

0-gui/images/allocate_IP4.png

0-gui/images/instance0.png

0-gui/images/instance1.png

0-gui/images/instance2.png

0-gui/images/instance3.png

0-gui/images/instance4.png

0-gui/images/instance5.png

0-gui/images/instance6.png