New module: Multiplatform Wireless LAN Geolocation

This is a new POST module that allows Windows, Linux, and OSX targets to be geolocated using Google services if the target has an active and functional wireless adapter.
Update wlan_geolocate.rb

Updated based on feedback.  Also added enumeration only support for BSD and Solaris.
Land #3280 - Multiplatform WLAN Enumeration and Geolocation