gitignore generated files and generator log.
diff --git a/plugins/org.eclipse.objectteams.otdt.doc/.gitignore b/plugins/org.eclipse.objectteams.otdt.doc/.gitignore
new file mode 100644
index 0000000..38deaac
--- /dev/null
+++ b/plugins/org.eclipse.objectteams.otdt.doc/.gitignore
@@ -0,0 +1,2 @@
+/reference
+/otdtconvert.txt