Tulip issue #219: Fix comments in simple_tcp_server.py example
Tulip issue #219: Fix comments in simple_tcp_server.py example

Fixing some comments. The server listens on 12345 and client connects
on 12345, but the comments state 1234. Patch written by bryan.neff.

gsb-eng/asyncio,gvanrossum/asyncio,gvanrossum/asyncio,fallen/asyncio,manipopopo/asyncio,vxgmichel/asyncio,ajdavis/asyncio,haypo/trollius,fallen/asyncio,Martiusweb/asyncio,Martiusweb/asyncio,manipopopo/asyncio,1st1/asyncio,jashandeep-sohi/asyncio,fallen/asyncio,gvanrossum/asyncio,1st1/asyncio,manipopopo/asyncio,gsb-eng/asyncio,vxgmichel/asyncio,gsb-eng/asyncio,ajdavis/asyncio,vxgmichel/asyncio,haypo/trollius,1st1/asyncio,jashandeep-sohi/asyncio,Martiusweb/asyncio,jashandeep-sohi/asyncio,haypo/trollius,ajdavis/asyncio