webminstats 2.0 (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.

new features :
* new action system : to allow action on data values
* new ntp module
* add brasilian translation (from Marco Túlio Oliveira Alves )

bugfix :
* (sysstats.pl) clean alarm in all cases in MODULES loop
* (batch_graph.pl) make display_number option work (bugfix from touchatonku)
* (batch scripts) use init_config to suppress initial_process_id warning message
* fix bug on color select if use custom colors
* fix clean_graph problem (allow standalone use)
* (snmp) fix bug when use perl module

improvement :
* spec file is added in tar.gz to allow rpmbuild -tb command
* add guess button in config for all available modules
* fix perl warning on check_module_file_install (sysstats-update-lib.pl )
* (process) recode aquisition to have smaller differences between linux and macos
* use webmin api to get webminstats and module versions (allow use of webmin proxy)
* (clean_graph) test for at command and for at output
* (mailq) improve pop/imap filters
* add more control on check_db_uid : stop if no vol
* (smart) now available for all unix
* (service) update not_daemon list

others
* standardize module aquisition script (messages and struct)
* add sysstats-conf-lib.pl lib for configuration
* (memory module) move computing code in aquisition to allow actions
* (disk module) move computing code in aquisition
* (network) convert config file format to vol complient
* recode modules using new print_input, print_button subs
* big code cleaning in all modules