need to have an 'empty' wpasupplicant configuration for AP scanning
added getCapabilities() method
added getCapabilities() and setCapabilities() methods
added scanning for capabilities in order to detect if WEP is being used
added the generateTempWpaSupplicantConf() method that cteates an 'empty' wpasupplicant.conf file in the /tmp directory that is being used to start supplicant for AP scanning
removed comment
use iw instead on libnl80211 for scanning
use iw instead on libnl80211 for AP scanning