Rewrite of README.md

-Corrected the numbered list to proper markdown syntax
-Fleshed out more of the info
-Provided link to 0xD34D's OpenBuildProp
Added S2+ info
Merge pull request #24 from gu1dry/Readme-Rewrite

Rewrite of README.md
Merge pull request #25 from pylerSM/patch-1

Added S2+ info