add option to statically link a plugin, select the postFix (to avoid naming conflict of multiple plugins functions ('initPlugin' becomes initPlugin_postFix)

pass events (keyboard, mouse, vr controllers etc) to the plugin, and clear them after the tick callback, so that it doesn't interfere with Python 'getEvents'

examples/SharedMemory/plugins/b3PluginContext.h

@@ -5,12 +5,17 @@
 
 struct b3PluginContext
 {
-
 	b3PhysicsClientHandle	m_physClient;
 
 	//plugin can modify the m_userPointer to store persistent object pointer (class or struct instance etc)
 	void* m_userPointer;
 
+	const struct b3VRControllerEvent* m_vrControllerEvents;
+	int m_numVRControllerEvents;
+	const struct b3KeyboardEvent* m_keyEvents;
+	int m_numKeyEvents;
+	const struct b3MouseEvent* m_mouseEvents;
+	int m_numMouseEvents;
 };