CQ8417: add 'about' file in Markdown format. I converted this as given to me by Sharon @ Eclipse. (cherry picked from commit c6680c4) (cherry picked from commit c18e6c6)
CQ8417: add 'about' file in Markdown format.
I converted this as given to me by Sharon @ Eclipse.
(cherry picked from commit c6680c4)
(cherry picked from commit c18e6c6)

spatial4j/spatial4j,spatial4j/spatial4j