Convert to use uuid instead of id for execution

CMakeLists.txt

@@ -85,6 +85,7 @@ TSTGetExecutingTrees.srv
 TSTGetTree.srv
 TSTGetTreeStartTime.srv
 TSTGetTreeString.srv
+TSTGetTreeStringFromUuid.srv
 TSTInitPlanningProcess.srv
 TSTInitUniqueNodeId.srv
 TSTMakeLocalCopy.srv

srv/TSTGetTreeStringFromUuid.srv

+#
+# Get a string containing a representation of the TST tree with root
+# node id.
+#
+
+int32 FORMAT_OLDFORMAT=0
+int32 FORMAT_ARTICLE=1
+int32 FORMAT_DOT=2
+int32 FORMAT_JSON_DELEGATION=3
+int32 FORMAT_JSON_EXEC=4
+
+string uuid     # root uuid for tree
+int32 type      # 0=oldformat, 1=like in the article, 2=dot, 3=json, 4=json for execution
+---
+string data
+bool success
+int32 error
+string reason