Renamed audit_kernel_module_loading -> audit_rules_kernel_module_loading

Renaming to standardize audit XCCDF/OVAL namings

$ sed -i 's/audit_kernel_module_loading/audit_rules_kernel_module_loading/g' auxiliary/stig_overlay.xml auxiliary/transition_notes.xml profiles/* system/auditing.xml
Renamed audit_privileged_commands -> audit_rules_privileged_commands

Updated XCCDF naming to match audit name scheme

$ sed -i 's/audit_privileged_commands/audit_rules_privileged_commands/g' auxiliary/stig_overlay.xml profiles/* system/auditing.xml
Updates to audit_rules_unsuccessful_file_modification

- Added XCCDF to audit for open_by_handle_at, updated OVAL
- Added rules to check for BOTH b32 and b64 syscalls
- Updated OCIL language
added bash remediation for auditd_data_retention_space_left_action
bootloader_audit_argument - updated naming, added bash remediation

- Updated XCCDF/OVAL naming (enable_auditd_bootloader now consistently bootloader_audit_argument)
- Added bash remediation
- Tested on RHEL6, added symlink
Merge pull request #23 from shawndwells/stigprep

Audit section cleanup