create premake/cmake file for Bullet/Extras/obj2sdf

add missing 1.sdf for Bullet/data/kitchens/1.sdf
add support for getting keyboard events (pybullet.getKeyboardEvents and b3RobotSimulatorClientAPI::getKeyboardEvents)

Extras/obj2sdf/CMakeLists.txt

@@ -0,0 +1,20 @@
+
+SET(includes
+  .
+	${BULLET_PHYSICS_SOURCE_DIR}/examples/ThirdPartyLibs
+	${BULLET_PHYSICS_SOURCE_DIR}/src
+)
+
+LINK_LIBRARIES(
+	 Bullet3Common
+)
+
+INCLUDE_DIRECTORIES(${includes})
+
+ADD_EXECUTABLE(App_obj2sdf 
+		obj2sdf.cpp
+		../../examples/Utils/b3ResourcePath.cpp
+		../../examples/Utils/b3ResourcePath.h
+		../../examples/ThirdPartyLibs/Wavefront/tiny_obj_loader.cpp
+)
+