If a security group contains rules that allow traffic from other security groups, and later those security groups are deleted, remove them from the rules when edited
Detect the deleted security groups in the rules if exist
Display a warning dialog if the rules are set to allow traffic from deleted security groups
CSS adjustment for the invalid rules warning dialog on the security group detail page
Adjust the verify-running-instances-count-is-0 test to add the pause before the while loop
Merge branch 'GUI-1266' of eucaconsole:/eucalyptus/eucaconsole into GUI-1294
Updated the VPC subnet option display format method