Add basic remote backup functionality

simple_backup.conf

@@ -1,14 +1,20 @@
-#Example config file for simple_backup
+# Example config file for simple_backup
 
-[default]
-#Input directories. Use a comma to separate items
+[backup]
+# Input directories. Use a comma to separate items
 inputs=/home/my_home,/etc
 
-#Output directory
+# Output directory
 backup_dir=/media/Backup
 
-#Exclude patterns. Use a comma to separate items
+# Exclude patterns. Use a comma to separate items
 exclude=.gvfs,.local/share/gvfs-metadata,.cache,.dbus,.Trash,.local/share/Trash,.macromedia,.adobe,.recently-used,.recently-used.xbel,.thumbnails
 
-#Number of snapshots to keep (use -1 to keep all)
-keep=-1
+# Number of snapshots to keep (use -1 to keep all)
+keep=-1
+
+# Uncomment the following section to enable backup to remote server through ssh
+#[server]
+#host=
+#username=
+#ssh_keyfile=