add computeSimilarity and mergeAverageCoverage to MergeBubbleVertex
diff --git a/genomix/genomix-pregelix/src/test/resources/only_bubbleadd.txt b/genomix/genomix-pregelix/src/test/resources/only_bubbleadd.txt
new file mode 100644
index 0000000..a4c7fc8
--- /dev/null
+++ b/genomix/genomix-pregelix/src/test/resources/only_bubbleadd.txt
@@ -0,0 +1 @@
+BubbleAddGraph.xml