Add jquery-ui files to dist data list.

Add these files in Makefile.am

Signed-off-by: ShaoHe Feng <shaohef@linux.vnet.ibm.com>
Signed-off-by: Yu Xin Huo <huoyuxin@linux.vnet.ibm.com>
Choose right icon for centos iso

Icon for centos is chosed to be icon-vm.png,
use its own icon instead.

Signed-off-by: Royce Lv <lvroyce@linux.vnet.ibm.com>