installation docs: added EMR howto
installation docs: added EMR howto

crs4/pydoop,elzaggo/pydoop,simleo/pydoop,crs4/pydoop,crs4/pydoop,crs4/pydoop,elzaggo/pydoop,simleo/pydoop,elzaggo/pydoop,elzaggo/pydoop,elzaggo/pydoop,crs4/pydoop,simleo/pydoop,simleo/pydoop,simleo/pydoop