Color Blindness test Ishihara

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v1.8
Removed video ads to spare user's data plan.

v1.7
- Russian translation enhancement.

v1.6
- Minor bugfix
- French translation

v1.5
Fix crash in the Farnsworth test on Android 2.x devices

v1.4
Big update for our color-blindness apps:
- New Farnsworth D-15 Hue Discrimination test
- Camera mode
- New feature for the camera mode: Photo export and sharing.
- Better navigation
- Optimization for very small screen devices and tablets