AutoAP Code

support spaces in ssid filter and prefers, scan more thoroughly

some preferred ssid fixes, but not entirely there yet

bug in preferred ssid code

be able to search only for preferred networks

fixed log problem with newest builds

small fixes for the webif code

merge JPs changes to for the web interface while stil being compatible to the existing nvram variables. support connecting to preferred ssids first (thoug right now onyl unencrypted and without spaces

fix the log bug

wait aap_dhcpw after dhcp renewal in aap_checkjoin()

some tweaks for stability. this is the same as rev 10 of autoap.sh. from here on we do the bleeding edge stuff here and keep the other changes conservative