Stop script if no camera is found
Correctly stopping the script if no camera found

Fixes #1
Lossless video works (on Ubuntu 12.04)

Added the display of one of the middle slices again and thus introduced
an additional option (-d) to do so.
Merging this branch back into development branch.
Merge branch 'lossless' into develop

Conflicts:
	ReadCamera.py

ffmpeg-option for lossless video (-qp 0) did not survive the
branch/merge/playaround and was manually corrected to the (seemingly)
working option "-crf 0".
Added APTINA-files to .gitignore

Show only aptina/setup.md in the repo
Cosmetic changes to output/figure-title
Merge development branch