sphinx fixes4; missed a unicode single quote

Author: sommersoft

README.rst

@@ -14,7 +14,7 @@ Introduction
     :target: https://travis-ci.org/adafruit/Adafruit_CircuitPython_FancyLED
     :alt: Build Status
 
-FancyLED is a CircuitPython library to assist in creating buttery smooth LED animation. It’s loosely inspired by the FastLED library for Arduino, and in fact we have a "helper" library using similar function names to assist with porting of existing Arduino FastLED projects to CircuitPython.
+FancyLED is a CircuitPython library to assist in creating buttery smooth LED animation. It's loosely inspired by the FastLED library for Arduino, and in fact we have a "helper" library using similar function names to assist with porting of existing Arduino FastLED projects to CircuitPython.
 
 Dependencies
 =============

adafruit_fancyled/adafruit_fancyled.py

@@ -24,7 +24,7 @@
 ====================================================
 
 FancyLED is a CircuitPython library to assist in creating buttery smooth LED animation.
-It’s loosely inspired by the FastLED library for Arduino, and in fact we have a "helper"
+It's loosely inspired by the FastLED library for Arduino, and in fact we have a "helper"
 library using similar function names to assist with porting of existing Arduino FastLED
 projects to CircuitPython.