Can't install MXNet on windows

```
julia> using MXNet
INFO: Recompiling stale cache file C:\Users\micha\.julia\lib\v0.5\MXNet.ji for module MXNet.
ERROR: LoadError: LoadError: Cannot find or load libmxnet.so. Please see the document on how to build it.
in error(::String) at .\error.jl:21
in include_from_node1(::String) at .\loading.jl:488 (repeats 2 times)
in macro expansion; at .\none:2 [inlined]
in anonymous at .\:?
in eval(::Module, ::Any) at .\boot.jl:234
in process_options(::Base.JLOptions) at .\client.jl:242
in _start() at .\client.jl:321
while loading C:\Users\micha\.julia\v0.5\MXNet\src\base.jl, in expression starting on line 26
while loading C:\Users\micha\.julia\v0.5\MXNet\src\MXNet.jl, in expression starting on line 24
ERROR: Failed to precompile MXNet to C:\Users\micha\.julia\lib\v0.5\MXNet.ji.
in compilecache(::String) at .\loading.jl:593
in require(::Symbol) at .\loading.jl:393
```
Can't get any version to run after the GPU release. Files are in the correct position so no idea what is going on!