added attachment model but not working
Log size limit configuration for development
Searches over referenced documents, closes #7
Merge branch 'dev'
Merge branch 'dev'
Merge branch 'dev'
Merge branch 'dev'
Refactored bill property names
Merge branch 'dev'
Further refactoring
Merge branch 'dev'
Merge branch 'dev'

Conflicts:
	app/models/bill.rb
Update README.md
Update README.md
Update README.md
Merge branch 'dev'
Merge branch 'master' of https://github.com/ciudadanointeligente/bill-it
Shows the last update of a specific bill