A late Army sergeant and Purple Heart recipient has left behind an awe-inspiring legacy of philanthropy. When Sergeant First Class Stephen Florentz passed away in December, he left his $2.25 million estate to the Central Oklahoma Habitat for Humanity – which is the largest donation that they have ever received. style=”display:inline-block;width:300px;height:250px” data-ad-client=”ca-pub-8420654331411867″ data-ad-slot=”1313712966″> The money will…