KeyAnalyser v0.9

Changes
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- Removed "Previous"/"Next" result buttons.
- Added ability to swipe left/right through results.
  - Implemented custom OnTouchListner.
- ImageViews cleared on "Clear Screen", not hidden.
- Load key images from file, not from resources (higher quality).
- Removed landscape mode and save/restore callbacks (to be added later).
- Added counter at bottom of result screen: currentResult/totalResults.
- Slimmed "Take Video"/"Process" videos.
- Loading string outputs from values.xml, not local variable.
- No longer added longPress context menu multiple times.
- Results text resizes and re-aligned.
- Refactored code a bit more.