Updated README.md

added coveralls badge
added node modules and edited package.json
Update package.json
repaired package.json
repaired package.json file
Updated README.md
added apartment.js files
final renters and room files
Merge branch 'dev'
Merge branch 'master' of https://github.com/mlfryman/property-manager
revised readme
updates with apartment constructor
Merge branch 'master' of https://github.com/LizaHCarter/property-manager