Category Tree: reduce number of categories

plugins/lxc/lxc_cpu

@@ -61,7 +61,7 @@ if [ "$1" = "config" ]; then
  echo 'graph_title CPU Usage '
  echo 'graph_args -l 0 --base 1000'
  echo 'graph_vlabel USER_HZ'
- echo 'graph_category lxc'
+ echo 'graph_category cpu'
 
  
  for guest_name in $guest_names;

plugins/lxc/lxc_cpu_time

@@ -60,7 +60,7 @@ if [ "$1" = "config" ]; then
  echo 'graph_title CPU time '
  echo 'graph_args -l 0 --base 1000'
  echo 'graph_vlabel nanosec'
- echo 'graph_category lxc'
+ echo 'graph_category cpu'
 
  for guest_name in $guest_names;
   do

plugins/lxc/lxc_net

@@ -84,7 +84,7 @@ if [ "$1" = "config" ]; then
     echo "graph_title Network traffic"
     echo "graph_args --base 1000"
     echo "graph_vlabel bits in (-) / out (+) per ${graph_period}"
-    echo "graph_category lxc"
+    echo "graph_category network"
     echo "graph_info This graph shows the traffic of active LXC containers."
     
     for guestname in $actives; do

plugins/lxc/lxc_proc

@@ -93,7 +93,7 @@ if [ "$1" = "config" ]; then
  echo 'graph_title Processes '
  echo 'graph_args -l 0 --base 1000'
  echo 'graph_vlabel Number of processes'
- echo 'graph_category lxc'
+ echo 'graph_category processes'
 
  
  for guest_name in $guest_names;

plugins/lxc/lxc_ram

@@ -60,7 +60,7 @@ if [ "$1" = "config" ]; then
  echo 'graph_title Memory '
  echo 'graph_args -l 0 --base 1024'
  echo 'graph_vlabel byte'
- echo 'graph_category lxc'
+ echo 'graph_category memory'
 
 
  for guest_name in $guest_names;