Removed the iOS code in the Android readme. This is android after all.
Small formatting changes.
Small clarification to define the myRobot object in english.
Rewrote the listener, registration, and startDetection code. Changed some headings. Clarified the information under the “Understanding Collision Data” label.
Reworded some documentation, and clarified a bit of code.
Reworked the listener setup steps so that they will be more friendly to new users, and to use the updated code.