Contrived (La)TeX templates for Org-mode

In my for ever long task of achieving Emacs and Org-mode configuration nirvana I stumbled upon the problem of trying to reuse a couple of .tex files I keep as templates for my (La)TeX exports for Org-mode. As I started to collaborate more and more in my TeX files, I realized that this setup would also need to be TeX-wise independent, that is, the exported .tex file should be self contained and self sufficient, so that I can keep collaborating and other people can see my work and (hopefully) reproduce whatever I have written without my