Merge pull request #7
Camera, OCR and OIR interfaces added

SwEmulation of Camera and Vision implemented
- tapBitmap works (added to pytest)
- tapText works (added to pytest)
Merge pull request #8
Refactorisation: GUI element types out of user interaction module.
Added automatic test runner
Updated README.org
Updated README.org
Merge pull request #9
Added pytes as a recommended prerequisite.
Few clarifications
Removed fMBT dependency

- deleted unnecessary fmbtgti imports
- skip testTap unittest if fMBT is unavailable
Merge pull request #11