Add Eclipse artifacts to .gitignore.
diff --git a/.gitignore b/.gitignore
index f492b60..c8d9cd6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -14,3 +14,6 @@
 !/.mvn/wrapper/maven-wrapper.jar
 
 site-content
+/.classpath
+/.project
+/.settings/