[lm] Include email.txt in the backup file

Why would I think that just including it in conffiles would work?
Of course you have to do it manuall
[lm] Add Plateau sms gateway

Thanks Juan Garcia
[lm] Don't remove luci-fixtime. Breaks graphs on systems without ntp
[lm] Run uci-defaults again after config_restore

This fixes the problem where upgrading users don't get the proper defaults
after the config_restore replaces their configs from backup
[lm] LMAT can take just one parameter
[lm] Fix LMAT when there's no current value for the selected probe
[lm] Redirect all the output of alarm script to logger. Fix from addr when no name is present
[lm] Add ability to test alarms from alarm page using admin/lm/altest
[lm] Add Canadian SMS gateways

Thanks Steve M
[lm] Fix provider not saving properly and add Other provider