.gitignore file for eclipse and ant build outputs

Change-Id: I66f1fd9c1b7804a4808b57fa95e4662ce9e61fd3
diff --git a/eclipse/.gitignore b/eclipse/.gitignore
new file mode 100644
index 0000000..65145a2
--- /dev/null
+++ b/eclipse/.gitignore
@@ -0,0 +1,8 @@
+# Eclipse output
+bin/
+
+# Generated by GWT tests
+gwt-unitCache/
+www-test/
+# LogExample and code-museum have a war folder so don't remove 'user/'
+user/war/