Removed data, to be replaced by our own
Added gapMinder data split by year, and spaces replaced by underscore, for shell tutorial
Deleted files/folders not needed for the Oslo bootcamp shell tutorial
Merge pull request #158 from karinlag/2013-07-oslo

2013 07 oslo
Merge pull request #159 from karinlag/2013-07-oslo

2013 07 oslo
Merge pull request #160 from karinlag/2013-07-oslo

2013 07 oslo
a bit about vc