Initial Commit
Add setting

- add views, controllers and segues
- implement settings controller
- implement user defaults saving
Add message view

- add message view
- add model data
- add name and id of sender
Add JSON Serialization

- add serialization of messages to JSON format
- add message saving
- add possibility to save more text
Add podfiles
Merge branch 'develop' of https://github.com/hoffmannjoern/bottlemail_ios into develop