renamed sensors to group them by category

app/Sensor.php

app/Sensor/CPUtemperature.php

app/Sensor/Disks.php

app/Sensor/Ifconfig.php

app/Sensor/Inodes.php

app/Sensor/ListeningPorts.php

app/Sensor/LoadAvg.php

app/Sensor/MemInfo.php

app/Sensor/Netstat.php

app/Sensor/Perccli.php

app/Sensor/ServerInfoAddresses.php

app/Sensor/ServerInfoCPU.php

app/Sensor/ServerInfoCPUName.php

app/Sensor/ServerInfoKernel.php

app/Sensor/ServerInfoLSB.php

app/Sensor/ServerInfoManufacturer.php

app/Sensor/ServerInfoMemory.php

app/Sensor/ServerInfoProduct.php

app/Sensor/ServerInfoUUID.php

app/Sensor/ServerInfoUptime.php