Implements #156 expose config options

components/common/cpp/include/ftl/timer.hpp

components/common/cpp/src/configuration.cpp

components/common/cpp/src/timer.cpp

components/common/cpp/test/configurable_unit.cpp

components/net/cpp/include/ftl/net/universe.hpp

components/net/cpp/src/peer.cpp

components/net/cpp/src/universe.cpp

components/net/cpp/test/peer_unit.cpp

components/rgbd-sources/include/ftl/rgbd/streamer.hpp

components/rgbd-sources/src/group.cpp

components/rgbd-sources/src/net.cpp

components/rgbd-sources/src/net.hpp

components/rgbd-sources/src/stereovideo.cpp

components/rgbd-sources/src/streamer.cpp