Added Default Murano Security group (workaround for MRN-630)

A new security group (called MuranoDefaultSecurityGroup) added.
This group has tcp ports 22 an 3389 open, as well as icmp enabled.
All murano-deployed instances are added to this group.
SQLServer instances additionally are added to MsSqlSecurityGroup

Change-Id: I7cec5a44d95ae9e24a631a13504859125c01bbb5