Use a more suitable name instead of getCoordTransformationTo

See merge request OPAL/src!67

fixes for warnings/errors with Xcode 10.2

See merge request !61

Cof

Closes #282

See merge request !60

improve starting radial guess as suggested in Gordon's paper, but pr did not improve in the PSI Ring case, for #282

fixing orientation of dipoles in *_ElementPositions.txt and starting and end points of elements where the edge doesn't coinside with beginning