Making address templates uniform and easier to centrally extend.

[Richtermeister]

Currently there is some duplication with regards to address (show and form) templates. There is also some cross-usage of Frontend templates in the Backend. Lastly, the company field was not (officially) part of the form yet.

This PR adds central templates for address form and show, and extends them for Frontend and Backend separately, so each can easily be customized.

[Richtermeister]

While on subject, it seems fairly standard for a second address line to exist.. is this something I should add here while I am at it?

[winzou]

Yes, definitely!
Nice job, this had to be done.

[Richtermeister]

@Arn0d It does, but they were not used by Sylius and also slightly different, so I left that as is for now.

[arnolanglade]

I just have a quick look, isn't it possible to move some templates to addressing bundle? or make some macro?

[arnolanglade]

@Richtermeister : ok

[Richtermeister]

@winzou It seems the Travis build has stalled again. How did you restart it last time? I don't want to have to keep bothering you :)

[winzou]

There is a "refresh" icon on the right of this page: https://travis-ci.org/Sylius/Sylius/builds/17459926
It has already been restarted so you may have already found it ;)

[pjedrzejewski]

Thanks Daniel!

[Richtermeister]

@winzou Aah, thanks. Turned out I had not linked my GitHub account to Travis yet. Found the button! :)