Added emscripten module.

modules/emscripten/emscripten.monkey2

@@ -0,0 +1,32 @@
+
+Namespace emscripten
+
+#If __TARGET__="emscripten"
+#Import "<emscripten.h>"
+#Endif
+
+Extern
+
+Alias em_callback_func:Void()
+Alias em_arg_callback_func:Void(Void Ptr)
+Alias em_str_callback_func:Void(String)
+
+Function emscripten_run_script:Void( script:Utf8String )
+Function emscripten_run_script_int:Int( script:Utf8String )
+Function emscripten_run_script_string:Utf8String( script:Utf8String )
+Function emscripten_async_run_script:Void( script:Utf8String,millis:Int )
+Function emscripten_async_load_script:Void( script:Utf8String,onload:em_callback_func,onerror:em_callback_func )
+Function emscripten_set_main_loop:Void( func:em_callback_func,fps:Int,simulate_infinite_loop:Int )
+Function emscripten_set_main_loop_arg:Void( func:em_callback_func,arg:Void Ptr,fps:Int,simulate_infinite_loop:Int )
+Function emscripten_push_main_loop_blocker:Void( func:em_arg_callback_func,arg:Void Ptr )
+Function emscripten_push_uncounted_main_loop_blocker:Void( func:em_arg_callback_func,arg:Void Ptr )
+Function emscripten_cancel_main_loop:Void()
+Function emscripten_set_main_loop_timing:Void( mode:Int,value:Int )
+Function emscripten_get_main_loop_timing:Void( mode:Int Ptr,value:Int Ptr )
+Function emscripten_set_main_loop_expected_blockers:Void( num:Int )
+Function emscripten_async_call:Void( func:em_arg_callback_func,arg:Byte Ptr,millis:Int )
+Function emscripten_force_exit:Void( status:Int )
+Function emscripten_get_device_pixel_ratio:Double()
+Function emscripten_set_canvas_size:Void( width:Int,height:Int )
+Function emscripten_get_canvas_size:Void( width:Int Ptr,height:Int Ptr,fullScreen:Int Ptr )
+Function emscripten_get_now:Double()