Merge pull request #1 from rubytune/master

Add the remaining countries and an example city per country
Fix detail controller
Fix deal API
Adding extra fields on people
Cities Controller fix
Merge pull request #3 from Ferrastas/master

Deal Controller Fix
Merge pull request #4 from bogdanracovita/person_fields

Adding extra fields on people
Return errors on each field
adding type to deal 2
fixing merging
Adding attributes to person model
Merge pull request #5 from albertlb/deal_with_type

Deal with type
Merge pull request #6 from bogdanracovita/person_model

Adding attributes to person model
Allow lookup or person by id, fix route to update
Method to lookup person by email