Split examples/SharedMemory/b3RobotSimulatorClientAPI_NoGUI.* and move to examples/SharedMemory/b3RobotSimulatorClientAPI_NoGUI.cpp and examples/SharedMemory/b3RobotSimulatorClientAPI_NoDirect.cpp
Add preTickPluginCallback/postTickPluginCallback
User pointer for b3PluginContext, to store objects (class/struct instances)
Pass ints and floats as optional argument for plugin executePluginCommand