README polishing
README polishing

aliasnash/z-greenhouse,shadabkhaniet/greenhouse,StetsiukRoman/greenhouse,shadabkhaniet/greenhouse,spring-projects/greenhouse,patidarjitu/networking-project-details1,spring-projects/greenhouse,gienini/GreenHouseItteria,rajacsp/greenhouse,mqprichard/spring-greenhouse-clickstart,abisare/greenhouse