add .gitignore file

git-svn-id: https://svn.apache.org/repos/asf/directmemory/lightning/trunk@1392609 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..16bf5c5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,6 @@
+target/
+bin/
+.settings/
+.project
+.classpath
+*.class
\ No newline at end of file