4.6.2

Process_check: Removed debug printout
Templates.dist renamed templates; templates.dist now holds user
customised graphs
Boatmon:
1. Moved log colour def from function to program core
2. Added log rotation and recoded log_tail to cope with rotated logs
3. Changed to local Exim mailserver
3.1 Added code to restart local mailserver if not running
4. Added charger failure error (098) with failure point in
meter_dc1_float config variable