V1 Documentation

Starting this pull request to list what changes need to be made to the documentation for the V1 release.

- [x] Collection#add isn't chainable in v1
- [ ] Listening to Model.anyInstance
- [ ] newRecord on the Persistence interface
- [ ] Configuring a Persistence layer as a plugin
- [ ] Use camelCase or underscore consistently throughout
- [ ] List all the possible events that can be emitted
- [ ] Adding chain-able scopes to collections
- [ ] Link up the "events" in the to their definitions in the documentation