Add ellipse graph layout option

Author: keaven

NEWS.md

@@ -63,4 +63,10 @@
 # graphicalMCP 0.2.9
 
 * Closed Issue #90 by changing the precision for parametric tests
-* Submission for CRAN release
+* Submission for CRAN release
+
+# graphicalMCP 0.2.10
+
+* Added an elliptical layout option for graph plots, with controls for layout
+  radius, starting angle, vertex ellipse size, and edge curvature (#96)
+* Added a vignette demonstrating elliptical graph layouts