signup page
//required fields
1. email address (used to login)
2. password
3. display name
//optional fields
4. first name
5. last name
6. photo...?
// example transaction
//this json object is sent to the ApiServlet
```json
{
"c":"USER",
"i":"jared@sendalist.com",
"pass":"1234",
"displayName":"hullabaloo",
"fname":"Jared",
"lname":"Nagle",
}
signup page
//required fields
1. email address (used to login)
2. password
3. display name
//optional fields
4. first name
5. last name
6. photo...?
// example transaction