wifi examples renamed OLD*, introducing new comprehensive WiFiStatus example

reviewed ShellCommands example to be not wifi related

hardware/arduino/avr/libraries/Bridge/examples/ShellCommands/ShellCommands.ino

@@ -11,8 +11,8 @@ void setup() {
 
 void loop() {
   Process p;
-  // This command line prints the number of bytes received and transmitted from WLAN
+  // This command line prints the name of the wireless that the board is connected to or that the board has created
-  p.runShellCommand(F("ifconfig wlan0 | grep \"RX bytes\" | tr ':' ' ' | awk \"{ print \\$3 \\\" \\\" \\$8 }\"\n"));
+  p.runShellCommand(F("lua /usr/lib/lua/pretty_wifi_info.lua | grep SSID"));
 
   // Read command output
   while (p.available()) {

hardware/arduino/avr/libraries/Bridge/examples/WiFiStatus/WiFiStatus.ino

@@ -0,0 +1,32 @@
+#include <Process.h>
+
+void setup() {
+  Serial.begin(9600);  // initialize serial communication
+  while(!Serial);      // do nothing until the serial monitor is opened
+ 
+  Serial.println("Starting bridge...\n");
+  pinMode(13,OUTPUT);  
+  digitalWrite(13, LOW);  
+  Bridge.begin();      // make contact with the linux processor
+  digitalWrite(13, HIGH); 
+
+  delay(2000);         // wait 2 seconds
+}
+
+void loop() {
+  Process wifiCheck;    // initialize a new process
+
+  wifiCheck.runShellCommand("lua /usr/lib/lua/pretty_wifi_info.lua");        // command you want to run
+
+  // while there's any characters coming back from the 
+  // process, print them to the serial monitor:
+  while (wifiCheck.available() > 0) {
+    char thisChar = wifiCheck.read();
+    Serial.print(thisChar);
+  }
+  
+  Serial.println();
+  
+  delay(5000);
+}
+