Fix problem with grid specification in the python interface.

Add a download command to iemic Makefile that avoids building all of …

…i-emic.

Merge pull request #31 from fjansson/dales_version_tag

Dales version tag

Merge branch 'master' of github.com:omuse-geoscience/omuse

add dispersion relation for surface waves (wip)

add license and notice files