Style fixes for CONTRIBUTING.md
Style fixes for CONTRIBUTING.md

baiyanghese/socketstream,RomanMinkin/ss-grunt-test,evanlh/socketstream,socketstream/socketstream,RomanMinkin/ss-grunt-test,ListnPlay/socketstream,baiyanghese/socketstream,socketstream/socketstream,evanlh/socketstream,jmptrader/socketstream,jmptrader/socketstream,ListnPlay/socketstream