added name to users table
Merge pull request #5 from elitenomad/marcus

added name to users table
Merge pull request #6 from elitenomad/Pranava_Users

Nested Routes addition to the project
fix models relationship between users - groups - expenses - portions (hope to .. )
Merge pull request #7 from elitenomad/federico

fix models relationship between users - groups - expenses - portions