Merge pull request #11 from apache/ignore

ignore versionBackup
diff --git a/.gitignore b/.gitignore
index 7495d7e..31ff2d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,4 @@
 /dependencies.xml
 .java-version
 .checkstyle
+*.versionsBackup