Updated port object with XSI_NS
Updated for cybox 2.0
Updated for cybox 2.0 and new list entity type
Updated import to point to cybox.properties
Updated environment variable for consistency with current interfaces
Updated environmnet variable list to use new cybox entitylist
Initial socket address commit
Updated xsi:type setting in to_obj
Updated network_connection_object for cybox v2.0 and current interface design
DNS Record object initial commit
Updated init method to call super properly
DNS Query object initial commit
Fixed issue in to_obj of environment_variable_list
Updated process object  for cybox 2.0 and current interfaces
Added stub interfaces for http session object
Merge branch 'cybox2.0' of github.com:CybOXProject/python-cybox into cybox2.0