Update readme

RPi/readme.md

-  
-Optimized Raspberry Pi RF24 and RF24 Network Libraries  
-=============================================  
+# Optimized Raspberry Pi RF24 and RF24 Network Libraries  
+
  General Documentation: http://tmrh20.github.io  
    
  Library functions are mostly the same.  
  See the included examples for RPi specific usage  
  
-##Raspberry Pi - PreConfig
+## Raspberry Pi - PreConfig
     
-  
-####Possible pre-configuration:  
-  If SPI is not already enabled, load it on boot:   
-```    
+### Possible pre-configuration:  
+If SPI is not already enabled, load it on boot:   
+
     sudo raspi-config  
-```
+
 A. Update the tool via the menu as required  
 B. Select Advanced and enable the SPI kernel module      
 C. Update other software and libraries:  
-```
+
      sudo apt-get update  
      sudo apt-get upgrade  
-```  
-RPi - RF24 Quick-Start  
-======================     
+
+
+# RPi - RF24 Quick-Start  
+     
 A. Make a directory to contain the RF24 and possibly RF24Network lib and enter it:  
-```    
+
     mkdir ~/rf24libs  
-	cd ~/rf24libs  
-```  
-B. 	Clone the RF24 Repo  
-```
+    cd ~/rf24libs  
+
+B.  Clone the RF24 Repo  
+
     git clone https://github.com/tmrh20/RF24.git rtemp  
-```  
+
 C.  Copy the RPi library folder to the current directory, and delete the rest  
-```
-	mv rtemp/RPi/RF24 ./  
+
+    mv rtemp/RPi/RF24 ./  
     rm -r rtemp  
-	cd RF24  
-```  
+    cd RF24  
+
 D. Build the library, and run an example file:  
-```
-    sudo make  
-	cd examples  
-	sudo make  
-	sudo ./gettingstarted  
-```  
-	
-RPi - RF24Network Quick-Start  
-=============================  
+
+    sudo make install
+    cd examples  
+    make
+    sudo ./gettingstarted  
+  
+
+# RPi - RF24Network Quick-Start  
+
 A. Enter the same directory that contains the RF24 library folder  
-```
+
     cd ~/rf24libs  
-```  
+
 B. Clone the RF24Network Repo  
-```
+
     git clone https://github.com/tmrh20/RF24Network.git ntemp  
-```  
+
 C. Copy the RF24Network folder to the current directory, and delete the rest  
-```  
-	mv ntemp/RPi/RF24Network ./  
-	rm -r ntemp  
-	cd RF24Network  
-```  
+
+    mv ntemp/RPi/RF24Network ./  
+    rm -r ntemp  
+    cd RF24Network  
+
 D. Build the library  
-```
+
+    sudo make  
+    cd examples  
     sudo make  
-	cd examples  
-	sudo make  
-	sudo ./helloworld_rx   OR   sudo ./helloworld_tx  
-```	  
-	
-Connection Info
-===============
+    sudo ./helloworld_rx   OR   sudo ./helloworld_tx  
+  
+
+# Connection Info
 
 Using pin 15/GPIO 22 for CE, pin 24/GPIO8 (CE0) for CSN
 
@@ -79,23 +77,22 @@ Can use either RPi CE0 or CE1 pins for radio CSN.
 Choose any RPi output pin for radio CE pin.
 
 **Constructor:**
-```
-RF24 radio(RPI_V2_GPIO_P1_15,BCM2835_SPI_CS0, BCM2835_SPI_SPEED_8MHZ);
-or
-RF24 radio(RPI_V2_GPIO_P1_15,BCM2835_SPI_CS1, BCM2835_SPI_SPEED_8MHZ);
-```  
+
+    RF24 radio(RPI_V2_GPIO_P1_15,BCM2835_SPI_CS0, BCM2835_SPI_SPEED_8MHZ);
+    or
+    RF24 radio(RPI_V2_GPIO_P1_15,BCM2835_SPI_CS1, BCM2835_SPI_SPEED_8MHZ);
 
 **Pins:**  
 
- |NRF24L01 |  RPI    | P1 Connector |  
- |-----|-----------|-------------|  
- | VCC  	 | rpi-3v3    |    (17) |  
- | GND  	 | rpi-gnd    |    (25) |  
- | CE   	 | rpi-gpio22 |    (15) |  
- | CSN  	 | rpi-gpio8  |    (24) |  
- | SCK  	 | rpi-sckl   |    (23) |  
- | MOSI 	 | rpi-mosi   |    (19) |  
- | MISO 	 | rpi-miso   |    (21) |  
+| NRF24L01 | RPI        | P1 Connector |  
+|----------|------------|--------------|  
+| VCC      | rpi-3v3    |     (17)     |  
+| GND      | rpi-gnd    |     (25)     |  
+| CE       | rpi-gpio22 |     (15)     |  
+| CSN      | rpi-gpio8  |     (24)     |  
+| SCK      | rpi-sckl   |     (23)     |  
+| MOSI     | rpi-mosi   |     (19)     |  
+| MISO     | rpi-miso   |     (21)     |  
   
   
 See http://www.airspayce.com/mikem/bcm2835/index.html for BCM2835 class documentation.  
@@ -104,7 +101,6 @@ in use for SPI, and to include a millis() function.
    
 ****************
   
-  
 Based on the arduino lib from J. Coliz <maniacbug@ymail.com>.  
 the library was berryfied by Purinda Gunasekara <purinda@gmail.com>.  
 then forked from github stanleyseow/RF24 to https://github.com/jscrane/RF24-rpi