Crashlytics update.
An experimental new mac ui that blurs the whole screen.
A step-by-step guide, fix setup appearance + fix capitalization of master password.

[ADDED]     A new step-by-step guide which uses images and text to explain the basics of Master Password.
[FIXED]     The setup flow didn't appear anymore.
[FIXED]     When creating a new user, the master password field was auto-capitalized.