GUI-1267 Allow "ALL Traffic" rule option to be selectable for VPC security group 

https://eucalyptus.atlassian.net/browse/GUI-1267
@kyolee310 : jQuery's text() isn't always safe (see http://watchitlater.com/blog/2011/10/cross-site-scripting-vulnerability-with-javascript-and-jquery/), but I think we're safe in this PR since what's read by text() is console-generated, no user-generated.