Added setup.py for installing OpenWind
added nansat and openwind version numbers to dependency error message
updated test functions (they were based on a previous version of nansat)
bug fix for 9056a975379fc9d7f806fbf5381fd2e73313b317
Bug fix for metadata content in netcdf file with already calculated wind
new release with bug fixes in nansat (at 0.6.1) and one in openwind
removed debugger lines
Merge branch 'master' into develop
changed version number