Localized string.
Removed duplicate strings
Fixed encoding.
Merge branch 'development' of https://github.com/Hasselmannen/sleepfighter into development

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Refactored a method in MotionControl
Updated AUTHORS.txt with my email address
Now better performance when pausing and resuming.
Merge branch 'development' of https://github.com/Hasselmannen/sleepfighter into development
Fixed error.
Updated AUTHORS.txt with my and Johans email
onPause, onResume and onDestroy in challenges
Removed unnecessary code from MotionSnakeChallenge
Added missing changes in ChallengeActivity
Added documentation for ChallengeParamsSettingsActivity.
fix #1 - Bugfix in persistence
Bundle if preset to challenge settings
Implemented ChallengeResolvedParams and added to Challenge interface -
TODO: make sure params works in persistence and no bugs!
Fixed weird bug in persistence regarding challenge params.
Merge branch 'development' into gpsfilter