Pare down README in favour of relish docs.
Pare down README in favour of relish docs.

mcoolive/chefspec,gsavage/chefspec,jkeiser/chefspec,lamont-granquist/chefspec,coderanger/chefspec,Thalagyrt/chefspec,h4ck3rm1k3/chefspec,lamont-granquist/chefspec,rsr5/chefspec,jimhopp/chefspec,shanethehat/chefspec,rsr5/chefspec,sethvargo/chefspec,aspiers/chefspec,h4ck3rm1k3/chefspec,bheuvel/chefspec,jkeiser/chefspec,coderanger/chefspec,chefspec/chefspec,375gnu/chefspec,sethvargo/chefspec,zuazo-forks/chefspec,shanethehat/chefspec,Thalagyrt/chefspec,aspiers/chefspec,chefspec/chefspec,ranjib/chefspec,mcoolive/chefspec,gsavage/chefspec,bheuvel/chefspec,oldirty/chefspec,jtimberman/chefspec,oldirty/chefspec,jtimberman/chefspec,ranjib/chefspec,375gnu/chefspec