Merge pull request #2273 from tcthien/master

Ignoring more generated file for Java project

Java.gitignore

@@ -1,5 +1,8 @@
 *.class
 
+# Log file
+*.log
+
 # BlueJ files
 *.ctxt
 
@@ -10,6 +13,9 @@
 *.jar
 *.war
 *.ear
+*.zip
+*.tar.gz
+*.rar
 
 # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
 hs_err_pid*