Make STL loader/writer and PLY writer work again

src/nbl/CMakeLists.txt

@@ -52,10 +52,10 @@ include(common)
 option(_NBL_COMPILE_WITH_MTL_LOADER_ "Compile with MTL Loader" OFF) #default off until Material Compiler 2
 option(_NBL_COMPILE_WITH_OBJ_LOADER_ "Compile with OBJ Loader" OFF) #default off until Material Compiler 2
 #option(_NBL_COMPILE_WITH_OBJ_WRITER_ "Compile with OBJ Writer" ON) uncomment when writer exists
-option(_NBL_COMPILE_WITH_STL_LOADER_ "Compile with STL Loader" OFF) #default off until reimplemented
-option(_NBL_COMPILE_WITH_STL_WRITER_ "Compile with STL Writer" OFF) #default off until reimplemented
+option(_NBL_COMPILE_WITH_STL_LOADER_ "Compile with STL Loader" ON)
+option(_NBL_COMPILE_WITH_STL_WRITER_ "Compile with STL Writer" ON)
 option(_NBL_COMPILE_WITH_PLY_LOADER_ "Compile with PLY Loader" ON)
-option(_NBL_COMPILE_WITH_PLY_WRITER_ "Compile with PLY Writer" OFF) #default off until reimplemented
+option(_NBL_COMPILE_WITH_PLY_WRITER_ "Compile with PLY Writer" ON) #default off until reimplemented
 option(_NBL_COMPILE_WITH_JPG_LOADER_ "Compile with JPG Loader" ON)
 option(_NBL_COMPILE_WITH_JPG_WRITER_ "Compile with JPG Writer" ON)
 option(_NBL_COMPILE_WITH_PNG_LOADER_ "Compile with PNG Loader" ON)