IR/GSD codes syncronization

To decrease the installation time, the infrared or Ruby codes (who are in fact records from the table pluto_main.InfraredGroup_Command) are fetched from our server through a syncronization script.

 /usr/pluto/bin/WebDB_GetIR.sh [deviceID] [deviceTemplateID] [restriction flag]

Called with deviceID parameter (PK_Device from Device table) will extract the device template from Device (FK_DeviceTemplate) and use it as second parameter. If Device template parameter is provided, device ID is ignored.

The script will wget a mysqldump generated on our server with the codes with the same manufacturer and device category as the device template, and also the codes with the same FK_InfraredGroup as the device template. The output from server will also contain a list with the psc_id (unique key) of the codes, and those with psc_mod = 0 will be deleted and updated with server codes from sqldump.

Restriction flag is used to retrieve the codes only for a specific set of commands (On, Off, 1, vol up, vol down and so on), those used in last step of "add A/V device" wizard.

The synchronization script is called every time a device is created, and its device template had FK_InfraredGroup not null. If the internet connection is not available, the script can be called from LinuxMCE admin, by choosing "Resync codes" from "A/V equipment" or "generic serial devices" pages.

The web interface had an checkbox, to allow the user to override the codes he changed manually. This also act as a backup, if user messed the codes, he can update them with correct versions.

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