Update .gitignore

.gitignore

@@ -15,17 +15,6 @@
 hs_err_pid*
 
 
-### Gradle ###
-.gradle
-build/
-
-# Ignore Gradle GUI config
-gradle-app.setting
-
-# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
-!gradle-wrapper.jar
-
-
 ### Eclipse ###
 *.pydevproject
 .metadata
@@ -64,3 +53,23 @@ local.properties
 # TeXlipse plugin
 .texlipse
 
+
+### Gradle ###
+.gradle
+build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+
+### Linux ###
+*~
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*