Renumber examples

Clock is very simple, should be before Ping and SMS examples

Author: sfe-SparkFro

examples/Example7_Clock/Example7_Clock.ino renamed to examples/Example4_Clock/Example4_Clock.ino

@@ -28,7 +28,7 @@ void setup()
   Serial.begin(115200); // Start the serial console
 
   // Wait for user to press key to begin
-  Serial.println(F("u-blox Cellular Example 7 - Clock"));
+  Serial.println(F("u-blox Cellular Example 4 - Clock"));
   Serial.println(F("Press any key to begin"));
 
   while (!Serial.available()) // Wait for the user to press a key (send any serial character)

examples/Example4_Ping/Example4_Ping.ino renamed to examples/Example5_Ping/Example5_Ping.ino

@@ -56,7 +56,7 @@ void setup()
   Serial.begin(115200); // Start the serial console
 
   // Wait for user to press key to begin
-  Serial.println(F("u-blox Cellular Example 4 - Ping"));
+  Serial.println(F("u-blox Cellular Example 5 - Ping"));
   Serial.println(F("Press any key to begin"));
 
   while (!Serial.available()) // Wait for the user to press a key (send any serial character)

examples/Example5_ReceiveSMS/Example5_ReceiveSMS.ino renamed to examples/Example6_ReceiveSMS/Example6_ReceiveSMS.ino

@@ -28,7 +28,7 @@ void setup()
   Serial.begin(115200); // Start the serial console
 
   // Wait for user to press key to begin
-  Serial.println(F("u-blox Cellular Example 5 - Receive SMS"));
+  Serial.println(F("u-blox Cellular Example 6 - Receive SMS"));
   Serial.println(F("Press any key to begin"));
 
   while (!Serial.available()) // Wait for the user to press a key (send any serial character)

examples/Example6_SendSMS/Example6_SendSMS.ino renamed to examples/Example7_SendSMS/Example7_SendSMS.ino

@@ -28,7 +28,7 @@ void setup()
   Serial.begin(115200); // Start the serial console
 
   // Wait for user to press key to begin
-  Serial.println(F("u-blox Cellular Example 6 - Send SMS"));
+  Serial.println(F("u-blox Cellular Example 7 - Send SMS"));
   Serial.println(F("Press any key to begin"));
 
   while (!Serial.available()) // Wait for the user to press a key (send any serial character)