Adds Cisco SSL VPN Bruteforce Aux Mod
Fix bug in group enumeration regex
Add redirect support to #is_app_ssl_vpn?
Add parameterized requests for detection/enumeration
Handle certificate auth nuances
Add hyphens and digits to group regex
Add default VPN group fall back
Change return values from nil to false
Clean up some formatting concerns
Fix MSFTidy complaints
Fix usage of print_*
Fix metadata
Land #3271, @claudijd's Cisco ASA SSL VPN Bruteforce Aux Module