Add description and image for ST_ClosestCoordinate
Add description and images for ST_ClosestPoint
Update descirption and images for ST_ClosestPoint
Update svg of ST_MakeEllipse
Update examples and images for ST_ClosestPoint
Add description for ST_FurthestCoordinate
Upadte description and add images for ST_FurthestCoordinate
Merge remote-tracking branch 'mireille/st_closestcoordinate' into m-113
Merge remote-tracking branch 'mireille/st_furthestcoordinate' into m-113
Delete ST_MakeEllipse.svg for ST_ClosestPoint
Update images for ST_ClosestPoint
Update image number4 for ST_ClosestPoint
Merge remote-tracking branch 'mireille/st_closestpoint' into m-113
Improve h2spatial-ext/distance-functions

@mlecoeuvre Please see these corrections
Merge branch 'm-113' into gh-pages