Some changes.
fixed Choice operation. Grammar nazi offering his services
Merge branch 'master' of http://github.com/Bogush/PTTask2
Merge branch 'master' of https://github.com/Bogush/PTTask2.git
Remove deprecated API
Merge branch 'master' of https://github.com/Bogush/PTTask2.git
Merge branch 'master' of https://github.com/Bogush/PTTask2.git
Merge branch 'master' of https://github.com/Bogush/PTTask2.git
Total renaming.
Merge branch 'dudko'
Update login form
Switch 'exit' to 'quit'
Avoid exceptions for transport