Adding assets2 and moving all external links to the static assets.

[ianwatsonrh]

Fixes #225

NPM is used to create assets2 in the first place.

If approach is accepted we can use NPM to create all assets.

w3counter tracker is not placed in static assets as this will not work in a disconnected instance

[noelo]

@ianwatsonrh does this break the w3counter functionality ? I understand it won't work in a disconnected environment

[ianwatsonrh]

@noelo The javascript code injected via https://www.w3counter.com/tracker.js?id=129401 injects code that will send analytic information to the external w3counter api endpoint.

As the analytic requests wont work in a disconnected environment, as they wont be able to hit the w3counter api endpoint, I think its sufficient to also leave this in as an external source.

This will result in a single failure to load the src rather than repeated failures that the endpoint is unreachable during application use

[ianwatsonrh]

@noelo changed this to merge to disconnected branch

[noelo]

@ianwatsonrh thanks. Much appreciated