Created a prototype of WelcomeDialog repacement.
Updated build script.
Improved some old layouts.
Removed useless fragment from TitleActivity.
Implemented basic navigation from TitleActivity.
Added dialogs into settings.
Catching NPE.
Implemented apply/discard system for settings.
Improved interface for settings.
Simplified a way of saving old settings during activity recreation.
Merge pull request #83 from tsukanov/title-activity

Implemented title activity (see issue #78).