Adding new Hostname option structures
Added new Hostname Object
Added new Source_Hostname and Destination_Hostname elements to NetworkConnectionObjectType.
Modified the IP_Address element to be a Choice between either an IP_Address or a Hostname.
Updated version number on Socket_Address to 1.1
Changed Network_Connection_Object back to version 2.0.1.
Hostname has now been added directly into Socket_Address_Object enabling specifying Hostnames for Network Connections without making any direct changes to the Network_Connection_Object itself.
Removed the “Edited with XMLSpy …” comments
Merged version_2.1 branch into issue_28 branch
Merge branch 'version_2.1' into issue_28
Merge pull request #286 from CybOXProject/issue_28

Issue 28: Add Hostname choice to Socket_Address Object to enable specifying Hostnames within Network_Connections