updates list of RTCs
updates comments for connectPorts() and RTCmanager::load()
updates doc for AverageFilter
updates doc for CaptureController
updates doc for JpegEncoder
updates doc for PlaneRemover
fixes a typo
updates doc for RGB2Gray
updates doc for SORFilter
updates doc for PCDLoader
updates doc for RangeNoiseMixer
updates doc for VideoCapture
updates list of services