Add useless files and folders in gitignore (#738)

* Add useless files in .gitignore

* Delete .factorypath's duplicate

.gitignore

@@ -1,10 +1,17 @@
 # Ignore folders
 target/
+.mvn/
 bin/
 /config
 .idea/
 /out
 .vscode/
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
 
 # Do not ignore them
 !.idea/copyright
@@ -21,12 +28,16 @@ mail.properties
 *.iws
 .project
 .classpath
-.settings/
-.sts4-cache/
+.settings
+.sts4-cache
+.apt_generated
+.springBeans
+mvnw
+mvnw.cmd
 
 # Because re-configuring the directory in the share plugin leads to side effect we ignore the file
 dependency-reduced-pom.xml
 .factorypath
 
 # Ignore OSX autogenerated files
-.DS_Store
+.DS_Store