Add description for ST_NumGeometries
Update description for ST_NumGeometries, ST_NumInteriorRing, ST_NumInteriorRings
Update ST_NumGeometries, ST_NumInteriorRing, ST_NumInteriorRings, ST_NumPoints
Update alignment for ST_Length, ST_X, ST_Y
Merge remote-tracking branch 'mireille/st_lengthxyz' into m-110
Merge remote-tracking branch 'mireille/st_num' into m-110