added enum for the different tree algorithms

diff --git a/src/jalview/analysis/TreeAlgorithms.java b/src/jalview/analysis/TreeAlgorithms.java
new file mode 100644 (file)
index 0000000..b3ebbdc
--- /dev/null
+++ b/src/jalview/analysis/TreeAlgorithms.java
@@ -0,0 +1,7 @@
+package jalview.analysis;
+
+public enum TreeAlgorithms
+{
+  NEIGHBOUR_JOINING, AVERAGE_DISTANCE, MAXIMUM_PARSIMONY,
+  MAXIMUM_LIKELIHOOD, BAYESIAN
+}