Hardcoded localhost prevents remote use

[jtuu]

It appears that some things in the client are hardcoded to connect to "localhost", which means shader-school can't be used from a remote location. More specifically "localhost:12491/changes" is what it's trying to connect to.
This could probably be fixed by creating the url dynamically like this
var url = 'http://' + window.location.host + '/changes'

With a quick search I couldn't find anything related to "/changes" in this repo, so I'm not sure if this issue is relevant to shader-school itself.

[belohlavek]

Yep, this is a problem for me too, shall I submit a pull request?

[shichongrui]

This was being caused by a dependency of shader-school, glslify-live. I have submitted a pull request to the author of that package with the fix. hughsk/glslify-live#6

Once that is merged, because it is not a breaking change it should only warrant a patch version bump and should get picked up by shader-school automatically. A simple npm install -g shader-school again will get the change.