Add a way to determine which input(s) triggered a LUA script

[mifrey00]

Add a way to determine in a LUA script which input(s) triggered this script. This would allow to execute different instructions depending on the input(s) that changed.

[raoulh]

Usage:

local trigger_id = calaos:getEnv("trigger_id")

print("Id that triggered: " .. trigger_id)

return false

[mifrey00]

Great!