When config.php was copied to config.inc.php it would result in a infinite
include loop.

When no colors are defined they will be generated by function rainbow_colors.

States are ordered by the order of handling a request, connect on top.

Reference: http://redmine.lighttpd.net/wiki/1/Docs:InternalHTTPStates

Support has been added for the following types:
- apache_bytes
- apache_connections
- apache_idle_workers
- apache_requests

Signed-off-by: Pim van den Berg <pim@nethuis.nl>

Very basic support for bind.

Previously graphs were created by collecting and merging all PIs, Ts and TIs
separately. This went wrong when a part of a plugin had a PI and another part
had not (processes plugin). It also went wrong when a P-PI combination had
different Ts and TIs (bind plugin).

This is solved by using grouped and deduplicated plugindata.

--
P = plugin, PI = plugin instance, T = type, TI = type instance

A couple of preg_replaces are replaced by one simple but effective preg_match.

Function fill_ds_names is renamed to parse_ds_names and now also
appends spaces to ds_names to make them equal of lenght.

Support all types of the memcached plugin

Wireless tools for Linux uses these labels:
- signal_noice: Noice level
- signal_power: Signal level
- signal_quality: Link quality

Signed-off-by: Pim van den Berg <pim@nethuis.nl>

Signed-off-by: Pim van den Berg <pim@nethuis.nl>

Image error messages were shown using PHP GD. People who haven't installed
PHP GD don't understand what is going on when an image is not shown. It is
replaced by a static image referring to the error log for more information.

To select different background colors for the rows in the main
summary page, just uncomment the tr.odd/tr.even background
definition in layout/style.css and set the color.

Like mentioned in the comment on the website below, I think there is no
problem a source contains dots. For now, this line is removed.

http://pommi.nethuis.nl/2010/01/collectd-graph-panel-v0-2/#comment-177

Since I'm using a non standard installation of rrdtool, I always
have to define the --font options when colling the rrdtool binary.
I tried to implement this change in a general way to define locally
rrdtool options in the config.local.php.

Signed-off-by: Edmondo Tommasina <edmondo@eriadon.com>

Solaris uses 3 memory states: free, locked and used.

Reported by: Edmondo Tommasina