Updated documentation

docs/documentation/android/pepper_handling.md

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+## Pepper Handling
+
+---
+
+To make the handling of the Pepper robot easier, we've made some classes
+that can be used to interact with the robot. 
+The classes associated with the Pepper robot interaction are located in the 
+`com.example.fitbot.pepper` package. To start interacting with the Pepper robot,
+one must assign a `QiContext` first. This can be done by calling `Pepper.provideQiContext(QiContext context)`
+method. This method takes a `QiContext` object as a parameter. This object is used to interact with the robot.
+
+To make the robot talk, one can call the following method:
+```java
+Pepper.say(String text);
+```
+
+To make the robot execute an animation, one can call the following method:
+```java
+Pepper.animate(String animationName);
+```
+
+To make the robot do more sophisticated things, one can call the 
+```java
+Pepper.addToEventQueue(AbstractPepperActionEvent event);
+```
+This adds the provided event to the event queue. The event will be executed in the order it was added.
+Whenever there's no valid QiContext available to use, the event will maintain in the queue until one is
+provided. 
+
+*Note* All Pepper action events are added to a queue, and executed synchronously. This means
+that if the robot is still busy with a task, adding a new event to the queue will not do anything until
+the robot is done with the current task.
+
+Currently, the only supported actions are:
+
+- `PepperSpeechEvent` - This event makes the robot say something.
+- `PepperAnimationEvent` - This event makes the robot execute an animation.