Update dependent package count in the readme (#154)

Author: Haroenv

readme.md

@@ -27,7 +27,7 @@
 - Clean and focused
 - Auto-detects color support
 - Actively maintained
-- [Used by ~10,000 modules](https://www.npmjs.com/browse/depended/chalk) as of August 2nd, 2016
+- [Used by ~16,000 modules](https://www.npmjs.com/browse/depended/chalk) as of May 31st, 2017
 
 
 ## Install