Merge pull request #1 from krasin/master

README.md: add python-vtk, libboost-python-dev to deps.
add comments to config.proto
Merge branch 'master' of github.com:ushakov/autocut
add info about installing libarea
more comments
README.md: add links to the sources of Opencamlib and libarea.
config.proto: add units to all dimension fields.
adapt changes
Merge branch 'krasin-patch-1'
Merge branch 'patch-2' of https://github.com/krasin/autocut into krasin-patch-2
fix units