Station mode only on startup. Open WiFi auth

BUILD/init.lua

@@ -25,6 +25,8 @@ tmr.alarm(STARTUP_DELAY_TIMER, 3000, 0, function ()
     print("Yo debug: " .. msg)
   end
 
+  wifi.setmode(wifi.STATION)
+
   debugMsg('Booting button ' .. node.chipid())
 
   yoRecipientExists = file.open('yorecipient.txt', 'r')

BUILD/wifiSetup.lua

@@ -9,7 +9,7 @@ function broadcastAP()
   accessPointConfig.ssid = "YoButton-" .. node.chipid()
   accessPointConfig.pwd = "yobutton"
   accessPointConfig.max = 1
-  accessPointConfig.auth = wifi.AUTH_WPA2_PSK
+  accessPointConfig.auth = wifi.AUTH_OPEN
 
   wifi.ap.config(accessPointConfig)
   wifi.ap.dhcp.start()