webminstats 2.2 (stable) released

Webminstats is a Webmin's module which display a graphical log of historic information. It's modular in design, as to be able to log everything from CPU usage to email box size.

bugfix :
* fix hu translation
* add webmin directory (parent) in perl path
* (generic) fix bug when using several times the same file
* (fail2ban) remove all space in jail list
* build cron file to depends upon directory name (clone problem)
* fix problem on encode/decode_param if the chain already contains _

new features :
* new hplog module
* new diskio module
* display the date under the cursor on graphs (javascript)
* add a link to clear all alarms from config.cgi

improvement :
* allways start cron aquisition at end of install/update
* add icons in footer
* move common links from top to footer (display, display_common)
* move local links on top
* (ntp) can work on all unix

incompatibilities :
* (ups) change scale for Battery.runtime parameter (sec to minutes)