Use tcp/udp ports from config for heat templates

Reasons:
 - Trove should use tcp/upd ports
   from config for rendering heat templates.
Changes:
 - adding another two rendering parameter:
   - tcp_rules;
   - udp_rules;
 - adding validation for empty rules sets:
   - if no tcp/udp ports were mentioned - no rules will
     be assigned AWS::EC2::SecurityGroup.

Change-Id: I066aab0e7a32136608e2a6e23999e85bc637debd
Partial-Bug: #1276228