Merge pull request #5 from merenkoff/master

Add protocol for transferring setting to editable controller
[DI-6] Step Size (iPhone)
[DI-8] Time between pictures (iPhone)
Merge pull request #6 from zhenyakoval/master

[DI-6] Step Size (iPhone)
[DI-7] Recording Time (hours:minutes:seconds)
Add some unit tests
Merge pull request #7 from zhenyakoval/master

Recording time
[DI-5] Create field Distance (in degrees)
Fixed UT