[RHEL/6] Start using <sub idref=""> variable substitution feature / ability that got introduced in openscap v1.0.8
[bugfix #64 & #65] [shared] Move kernel_module_{dccp,sctp}_disabled OVAL checks to shared (they work for both of RHEL6 & RHEL7)
[RHEL/6, RHEL/7] Create symlinks & update test attestations
Merge pull request #222 from iankko/rhel7_sctp_dccp

[bugfix #64 & #65] [shared] Move kernel_module_{dccp,sctp}_disabled OVAL checks to shared (work for both of RHEL6 & RHEL7)
Update file_permissions_ungroupowned to use updated unix-def behaviors

Originally requested by pbrabec some time ago
https://fedorahosted.org/scap-security-guide/ticket/134

testing:
$ ./testcheck.py file_permissions_ungroupowned.xml
Evaluating with OVAL tempfile : /tmp/file_permissions_ungroupownedD0pQj8.xml
Writing results to : /tmp/file_permissions_ungroupownedD0pQj8.xml-results
Definition oval:scap-security-guide.testing:def:100: true
Evaluation done.
Updated file_permissions_ungroupowned to include "symlinks and directors" for recurse
Merge pull request #221 from iankko/rhel6_substitute_variables

[RHEL/6] Start using <sub idref=""> variable substitution feature / ability that got introduced in openscap v1.0.8
Merge pull request #224 from shawndwells/recurse_behaviors

Update file_permissions_ungroupowned to use updated unix-def behaviors