Added oval drills to Edge.Cuts layer

MacroFab wants oval drills to be marked on the board edge layer, so
that's what I'm doing.  Hopefully they'll be able to handle oval drills
better soon, given a recent comment on their blog.

pd-buddy-sink/pd-buddy-sink.kicad_pcb

     (no_connects 0)
     (area 81.424999 57.424999 111.575001 82.575001)
     (thickness 1.6)
-    (drawings 10)
+    (drawings 30)
     (tracks 549)
     (zones 0)
     (modules 43)
     (zone_45_only no)
     (trace_min 0.127)
     (segment_width 0.2)
-    (edge_width 0.15)
+    (edge_width 0.05)
     (via_size 0.7)
     (via_drill 0.4)
     (via_min_size 0.4572)
     )
   )
 
+  (gr_line (start 89.675 73.75) (end 89.675 73.45) (layer Edge.Cuts) (width 0.05) (tstamp 593AEBD7))
+  (gr_line (start 90.325 73.75) (end 90.325 73.45) (layer Edge.Cuts) (width 0.05))
+  (gr_arc (start 90 73.75) (end 90.325 73.75) (angle 180) (layer Edge.Cuts) (width 0.05) (tstamp 593AEB8E))
+  (gr_arc (start 90 73.45) (end 89.675 73.45) (angle 180) (layer Edge.Cuts) (width 0.05))
+  (gr_arc (start 89.05 74.13) (end 89.05 73.88) (angle 180) (layer Edge.Cuts) (width 0.05) (tstamp 593AEA60))
+  (gr_line (start 89.05 73.88) (end 88.45 73.88) (layer Edge.Cuts) (width 0.05) (tstamp 593AEA5F))
+  (gr_arc (start 88.45 74.13) (end 88.45 74.38) (angle 180) (layer Edge.Cuts) (width 0.05) (tstamp 593AEA5E))
+  (gr_line (start 89.05 74.38) (end 88.45 74.38) (layer Edge.Cuts) (width 0.05) (tstamp 593AEA5D))
+  (gr_arc (start 88.45 65.87) (end 88.45 66.12) (angle 180) (layer Edge.Cuts) (width 0.05) (tstamp 593AEA13))
+  (gr_line (start 89.05 65.62) (end 88.45 65.62) (layer Edge.Cuts) (width 0.05) (tstamp 593AEA12))
+  (gr_arc (start 89.05 65.87) (end 89.05 65.62) (angle 180) (layer Edge.Cuts) (width 0.05) (tstamp 593AEA11))
+  (gr_line (start 89.05 66.12) (end 88.45 66.12) (layer Edge.Cuts) (width 0.05) (tstamp 593AEA10))
+  (gr_line (start 83.1 65.76) (end 82.5 65.76) (layer Edge.Cuts) (width 0.05) (tstamp 593AE9C8))
+  (gr_arc (start 83.1 65.51) (end 83.1 65.26) (angle 180) (layer Edge.Cuts) (width 0.05) (tstamp 593AE9C7))
+  (gr_arc (start 82.5 65.51) (end 82.5 65.76) (angle 180) (layer Edge.Cuts) (width 0.05) (tstamp 593AE9C6))
+  (gr_line (start 83.1 65.26) (end 82.5 65.26) (layer Edge.Cuts) (width 0.05) (tstamp 593AE9C5))
+  (gr_line (start 83.1 74.74) (end 82.5 74.74) (layer Edge.Cuts) (width 0.05) (tstamp 593AE91B))
+  (gr_line (start 83.1 74.24) (end 82.5 74.24) (layer Edge.Cuts) (width 0.05))
+  (gr_arc (start 83.1 74.49) (end 83.1 74.24) (angle 180) (layer Edge.Cuts) (width 0.05) (tstamp 593AE89F))
+  (gr_arc (start 82.5 74.49) (end 82.5 74.74) (angle 180) (layer Edge.Cuts) (width 0.05))
   (gr_text "PD Buddy Sink v0.3" (at 110.75 81.25) (layer B.Mask)
     (effects (font (size 0.8 0.8) (thickness 0.16)) (justify left mirror))
   )