Added additonal command line parameter for the scene and the encoder. Rename the command line parameter from --codec to --encoder-codec

Update readme

See merge request !22

When setting the command line flag --write-video, the raw video stream of an remote headset is stored on disk

Indirect lighting can now be disabled using --disable-indirect-lighting and shadows can be disabled using --disable-shadows

This reverts commit 5afec1ac, reversing
changes made to 85e6a8ba.

# Conflicts:
#   src/headset/remote_headset.cpp
#   src/utility/command_parser.cpp

# Conflicts:
#	CMakeLists.txt
#	src/headset/remote_headset.cpp
#	src/headset/remote_headset.hpp
#	src/stream/transport.hpp
#	src/utility/command_parser.cpp
#	src/utility/command_parser.hpp

Fixed jittering issue and added controller bindings for vive controller when used together with openxr.