Add CVE-2014-4971 BthPan local privilege escalation

Add CVE-2014-4971 BthPan local privilege escalation for Windows XP SP3
Update code to reflect @OJ code suggestions
Merge in changes from @todb-r7.
Merge in changes from @todb-r7.
Fix #3985 - check command should elog
Fix #3984 - Fix broken check for drupal_views_user_enum
Add module to enumerate environment HP via perfd daemon
Changed print_good and OptEnum
Using Rex.sleep instead of select
Variable cmd now with interpolation
Changed Name, array in OptEnum and operator
Correct indentation and whitespace
Store just banner for service, loot the rest.  Also, minor style.
Support running more than one perfd command in a single pass
List commands in sorted order
Make note of other commands to investigate
Merge pull request #1 from jhart-r7/landing-3992-jhart-fixes

Refactor hp_enum_perfd for better looting
Minor style cleanup of help and a failure message
Land #3992, @espreto's HP perfd gather module
Land #3988, @wchen-r7's fix for #3985, a lack of logging for 'check'