more gitignore

.gitignore

@@ -1,2 +1,14 @@
-target/
 s3proxy.iml
+.idea/
+
+# below is default github .ignore for java
+*.class
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+# Package Files #
+*.jar
+*.war
+*.ear
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+target/