added i3 bindings for keypad volume control

i3/config

@@ -86,6 +86,12 @@ set $refresh_i3status killall -SIGUSR1 i3status
 bindsym XF86AudioRaiseVolume exec --no-startup-id pactl set-sink-volume @DEFAULT_SINK@ +10% && $refresh_i3status
 bindsym XF86AudioLowerVolume exec --no-startup-id pactl set-sink-volume @DEFAULT_SINK@ -10% && $refresh_i3status
 bindsym XF86AudioMute exec --no-startup-id pactl set-sink-mute @DEFAULT_SINK@ toggle && $refresh_i3status
+
+# Binds for - and + for volume
+bindsym $mod+KP_Add  exec --no-startup-id pactl set-sink-volume @DEFAULT_SINK@ +10% && $refresh_i3status
+bindsym $mod+KP_Subtract exec --no-startup-id pactl set-sink-volume @DEFAULT_SINK@ -10% && $refresh_i3status
+bindsym $mod+KP_Multiply exec --no-startup-id pactl set-sink-mute @DEFAULT_SINK@ toggle && $refresh_i3status
+
 bindsym XF86AudioMicMute exec --no-startup-id pactl set-source-mute @DEFAULT_SOURCE@ toggle && $refresh_i3status
 
 # Use Mouse+$mod to drag floating windows to their wanted position
@@ -124,6 +130,10 @@ bindsym $mod+Ctrl+Up resize grow height 1 px or 1 ppt
 bindsym $mod+Ctrl+Down resize shrink height 1 px or 1 ppt
 bindsym $mod+Ctrl+Left resize grow width 1 px or 1 ppt
 
+# multi moniter support
+bindsym $mod+greater move workspace to output right
+bindsym $mod+less move workspace to output left
+
 
 # split in horizontal orientation
 bindsym $mod+semicolon split h 
@@ -329,7 +339,7 @@ bar {
     status_command i3status
     tray_output primary
 	i3bar_command i3bar 
-    position top
+    position bottom
     separator_symbol "|"
 
   colors {