Added bottle and kyoukai benchmarks, updated sanic and aiohttp

tests/performance/aiohttp/simple_server.py

@@ -4,12 +4,13 @@ from aiohttp import web
 import asyncio
 import sys
 import uvloop
+import ujson as json
 
 loop = uvloop.new_event_loop()
 asyncio.set_event_loop(loop)
 
 async def handle(request):
-    return web.json_response({"test":True})
+    return web.Response(body=json.dumps({"test":True}).encode('utf-8'), content_type='application/json')
 
 app = web.Application(loop=loop)
 app.router.add_route('GET', '/', handle)