Re #42. Adding initial version of new csv file
git commit -m Re
Re #42. Fixing up the formatting.
Re #42. Adding back in the other detector positions from 2013 as thought they didn't move
Re #42. Removing L4 from the csv file.
Re #42. Using new survey info and removing L4.
Merge pull request #43 from mantidproject/feature/42_powgen_geom

Feature/42 powgen geom