GUI-1460 Eucalyptus VPC adjustments

https://eucalyptus.atlassian.net/browse/GUI-1460
@kyolee310  There's a typo here.  This line should be the following (notice the trailing semicolon in the HTML entity-based "and" comparison) …
```
<dd ng-class="outboundButtonClass" ng-show="securityGroupVPC != '' &amp;&amp; securityGroupVPC != 'None'">
```