Keep the list of plugins sorted
Use config time_range for canvas graphs
Merge remote-tracking branch 'feandil/time_range'
rm plugin.php

Forgotten in commit:
v0.3-77-gbf56a64 [remove ajax js code]
jsrrdgraph: Fix errors in second axis.
jsrrdgraph: Fix graph width to look like rrdtool.
Escape HTML in GET-provided hostname

A malicious user can enter javascript code in "h" GET parameter and this
code gets executed because this parameter is copied in the HTML output
without any escaping.  This patch escape the output before it is checked
it is valid.
type/genericio: apply percentile on scaled value
jsrrdgraph: RrdGraph.js: make HRULE support reference to variable

The value of HRULE could be a reference to for example a VDEF variable.

Closes #85
type/default: optionally draw min/max spikes in a lighter color in graphs

Closes #73
Merge remote-tracking branch 'upstream/master'