Update aide_build_database

- Assign rule a severity
- Create OCIL text
- Update CCI mappings
Add VMS/DPMS mappings in stig_overlay

- Adds various VMS tags to XCCDF rules
Update VRelease attributes for DISA FSO VMS tags
Add set_ip6tables_default_rule to common, map to STIG RHEL-06-000523

- For some reason the set_ip6tables_default_rule was not enabled in common (whereas standard ip4 is);
- Mapped set_ip6tables_default_rule to RHEL-06-000523
Update VRelease attribute for RHEL-06-000008 (ensure_redhat_gpgkey_installed)
Add reload to set_ip6tables_default_rule

Guidance did not remind users to reload firewall rules if a change was required
[bugfix] modify file_permissions_library_dirs to follow symlinks
[bugfix] Modify file_permissions_binary_dirs to follow symlinks
Increment VRelease for sysctl_ipv6_default_accept_redirects/RHEL-06-000099
Check syscall audits explicitly to avoid partial matches

- Update VRelease key
- Add OCIL for unlinkat, renameat
- Update grep regex from 'grep' to 'grep -w'
Add applicability statement to audit_rules_time_stime/RHEL-06-000169

- Update VRelease key
- Add OCIL applicability statement
Give SELinux precedence over HBSS in install_hids/RHEL-06-000285

- Update VRelease
- Provide clarification if users should disable SELinux to enable 3rd party tools (e.g. HBSS)
Update install_antivirus/RHEL-06-000284 from uvscan to VSEL/nails
Remove display_login_attempts/RHEL-06-000506 from RHEL 6 STIG

This is no longer a requirement
Add display_login_attempts/RHEL-06-000372 to STIG

Remaps to CCI 366
[bugfix] Update selinux_all_devicefiles to "any_exist"
Increment OVAL version for selinux_all_devicefiles_labeled
Update OVAL version for sysctl_net_ipv6_conf_default_accept_redirects
Fix lowercase in system/auditing.xml
Update severity of aide_build_database in stig_overlay.xml