Updates to readme (#512)
Updates to readme (#512)

* Updates to readme

Further refine goals and intro

* Review 1

PI-Victor/source-to-image,jim-minter/source-to-image,rhcarvalho/source-to-image,danmcp/source-to-image,gabemontero/source-to-image,mfojtik/source-to-image,csrwng/source-to-image,PI-Victor/source-to-image,dobbymoodge/source-to-image,bparees/source-to-image,liggitt/source-to-image,liggitt/source-to-image,PI-Victor/source-to-image,coreydaley/source-to-image,guangxuli/source-to-image,dobbymoodge/source-to-image,csrwng/source-to-image,soltysh/source-to-image,soltysh/source-to-image,PI-Victor/source-to-image,danmcp/source-to-image,guangxuli/source-to-image,coreydaley/source-to-image,rhcarvalho/source-to-image,jim-minter/source-to-image,coreydaley/source-to-image,mfojtik/source-to-image,gabemontero/source-to-image,liggitt/source-to-image,soltysh/source-to-image,rhcarvalho/source-to-image,bparees/source-to-image,php-coder/source-to-image,dobbymoodge/source-to-image,soltysh/source-to-image,liggitt/source-to-image,openshift/source-to-image,openshift/source-to-image,rhcarvalho/source-to-image,openshift/source-to-image,coreydaley/source-to-image,mfojtik/source-to-image,jim-minter/source-to-image,guangxuli/source-to-image,mfojtik/source-to-image,dobbymoodge/source-to-image,gabemontero/source-to-image,jim-minter/source-to-image,csrwng/source-to-image,bparees/source-to-image,gabemontero/source-to-image,guangxuli/source-to-image,bparees/source-to-image,csrwng/source-to-image,php-coder/source-to-image