adding client install script
fixing a couple of minor issues in stack.sh
  1) re-installing keystone client before adding endpoints
  2) fixing a simple bug in local.sh on sample folder
adding support for bee2 resource

adding required scripts for enabling a separate screen for n-cpu-bee2.
as well as adding a new flavor called "bee2", with extra specs of "bee2_board".
also, adding a separate BEE2_CONF directory.
create bee2-nodes.sh

Registering 4 FPGAs for each bee2 board, as well as 4 ports (network interfaces) for each FPGA in each board.
fixing client install problem in client_install.sh
added ubuntu cloud image build script
Merge pull request #7 from hesamrahimi/silver

adding support for bee2 resource
Merge remote-tracking branch 'savi/silver' into silver

Conflicts:
	samples/tr-edge-1/local.sh