Instructions on how to generate export templates like the official ones

[akien-mga]

See http://steamcommunity.com/app/404790/discussions/0/364042703865087202/

We have the "Batch building templates" page but it's not really user-friendly. We should maybe add a section about building and packaging the templates on the Compiling for {X11,Windows,OSX} pages.

[akien-mga]

Especially relevant too is how to build iOS binaries that actually work. Users need to build them for both arches and merge them together using the lipo tool, as done in our travis script: https://github.com/GodotBuilder/godot-builds/blob/master/.travis.yml#L136

[pwab]

If I am not wrong every entry of the Compiling section contains a guide for building the export templates now. There is room for improvement though (like how to adapt these templates to your needs).

[mhilbrunner]

Closing for #1227.