Tidying of Guide Marker Bounding Rectangle and moving of number

Reducing Bounding rectangle to be as small as possible so the most
intuitive seleciton occurs. In order to do this, the number has also been
adjusted from the bottom right, up to right of center so the bounding box
is not larger than it needs to be
Merge branch 'guideMarkerBranch' into runInMaya2014Branch