Adds support for busybox

Fix leaking stderr output from a `which`

Small cleanup to remove some awk calls (thanks chris2)

1.1.1 Default SCAN_SECONDS to 0

* What the title says

1.1.0 - Add EAP

* WPA-EAP, WPA2-EAP now supported
* Only supports PEAP method of eap
* Only supports MSCHAPv2 auth
* Does not yet support client certificate authentication

1.0.2 Bugfix

* Interactive mode did not save config

1.0.1 Bad Bugs are Bad

1.0.0 Stable Release

* Both Design Goals Met
* 2.x plans forthcoming
* Time for a Beer

0.9.9 Inevitable

0.9.8 Almost There