Add loader for mag axis
extract movement to first quadrant
add a linear interpolation function to utility
split interpolation between indexing and interpolation
Fix intersection for divertor (still needs scaling)
fix conversion to radians in div loader
Find and fix bug on aux current distribution
fix calls to read_coils in test files
updated in polygon function, added new limiter test to makefile, added new limiter and boxport check functions
fix compiler specific errors in in_polygon
fix compiler bugs in boxport_limiter_check
fix test_vessel
merging local copy from remote
fix ugly code in inside_vessel
added limiter module and inside_limiter check
added divertor and limiter check
changed points_hit to vessel, divertor, etc
added follow to limiter and related items
added extra bookeeping for divertor and limiter
created limiter module in same way as vessel module