Cannot execute build.bat successfully under windows

```
I executed the bat file "build.bat". it needs a file named "paperCrop.sln" 
which I cannot find it in the source directory. Did you forget to commit the 
file or something else ? Plz give a me a hand ,thank you


```

Original issue reported on code.google.com by `zcaunive...@gmail.com` on 5 Nov 2012 at 2:19
