Add documentation links to all tutorial examples

examples/Tutorial/Part_1_02_Hardware_Test/Part_1_02_Hardware_Test.ino

@@ -1,4 +1,7 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 1-2: Test Hardware
 //

examples/Tutorial/Part_1_03_Playing_Music/Part_1_03_Playing_Music.ino

@@ -1,4 +1,7 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 1-3: First "Hello World" program, play a music file
 //

examples/Tutorial/Part_1_04_Blink_While_Playing/Part_1_04_Blink_While_Playing.ino

@@ -1,4 +1,7 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 1-4: Blink LED while Playing Music
 //

examples/Tutorial/Part_1_05_Do_More_While_Playing/Part_1_05_Do_More_While_Playing.ino

@@ -1,4 +1,7 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 1-5: Respond to Pushbuttons & Volume Knob
 //

examples/Tutorial/Part_2_01_First_Design_Tool_Use/Part_2_01_First_Design_Tool_Use.ino

@@ -1,7 +1,11 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 2-1: First Design Tool Use
 
+
 ///////////////////////////////////
 // copy the Design Tool code here
 ///////////////////////////////////

examples/Tutorial/Part_2_02_Mixers/Part_2_02_Mixers.ino

@@ -1,7 +1,11 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 2-2: Mixers & Playing Multiple Sounds
 
+
 ///////////////////////////////////
 // copy the Design Tool code here
 ///////////////////////////////////

examples/Tutorial/Part_2_03_Samples/Part_2_03_Samples.ino

@@ -1,4 +1,7 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 2-3: Playing Samples
 

examples/Tutorial/Part_2_04_Microphone_Check/Part_2_04_Microphone_Check.ino

@@ -1,6 +1,9 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
-// Part 2-1: Using the Microphone
+// Part 2-4: Using The Microphone
 
 
 ///////////////////////////////////

examples/Tutorial/Part_2_05_Simple_Delay/Part_2_05_Simple_Delay.ino

@@ -1,7 +1,11 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 2-5: Simple Delay
 
+
 ///////////////////////////////////
 // copy the Design Tool code here
 ///////////////////////////////////

examples/Tutorial/Part_2_06_Feedback_Delay/Part_2_06_Feedback_Delay.ino

@@ -1,4 +1,7 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 2-6: Feedback (Echo) Delay
 

examples/Tutorial/Part_2_07_Filters/Part_2_07_Filters.ino

@@ -1,4 +1,7 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 2-7: Filters
 

examples/Tutorial/Part_2_08_Oscillators/Part_2_08_Oscillators.ino

@@ -1,4 +1,7 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 2-8: Oscillators
 

examples/Tutorial/Part_3_01_Peak_Detection/Part_3_01_Peak_Detection.ino

@@ -1,4 +1,7 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
 // Part 3-1: Peak Detection
 

examples/Tutorial/Part_3_02_Fourier_Transform/Part_3_02_Fourier_Transform.ino

@@ -1,6 +1,9 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
-// Part 3-1: Fourier Transform
+// Part 3-2: Fourier Transform
 
 #include <Bounce.h>
 #include "AudioSampleGuitar.h"

examples/Tutorial/Part_3_03_TFT_Display/Part_3_03_TFT_Display.ino

@@ -1,6 +1,9 @@
 // Advanced Microcontroller-based Audio Workshop
+//
+// https://github.com/PaulStoffregen/AudioWorkshop2015/raw/master/workshop.pdf
+// https://hackaday.io/project/8292-microcontroller-audio-workshop-had-supercon-2015
 // 
-// Part 3-3: TFT Display
+// Part 3-3: Add a TFT Display
 
 #include <ILI9341_t3.h>
 #include <font_Arial.h> // from ILI9341_t3