added swapfiles to gitignore
API skeleton
Can get a list of people

Currently responds only to JSON format requests. Using RABL, though, so
adding XML, BSON, so on is pretty trivial.

Methods that are not yet implementable (situations, call_count,
request_count) are currently stubbed to provide properish results.
Get a single person

Now with awesome RABL inheritance to make things DRYer.
Person name and nickname can be updated

Currently, there is not a definition for situations, so I'm taking this
opportunity to ask for a bit of advice.

That said, changing fullname and nickname for a person are working.
Merge pull request #5 from jhubert/develop

Merge in the develop branch so master isn't so empty