You wil need 1.8 BUT i got it here so you just need to drag you old minecraft.jar to a noter place and replace it with the new and you got 1.8 and 1.7.3 or what ever...

The world is in the folder i give to you.
I have built it all from the ground

I hope you gone like the world and if you do that rate thumbs up.

xD O_o