Update project repo url

Typo on project url where you write https://github.com/bmeurant/ember-article instead of https://github.com/bmeurant/ember-articles.
Merge pull request #301 from NotGrm/patch-2

Update project repo url
Add post about auto-entreprenariat.

Authors: _kud & MoOx
Merge pull request #272 from putaindecode/post.ae

Add post about auto-entreprenariat.
Remove full stop at the end.

Do not use colons at the end of headings.
Merge pull request #303 from Macxim/patch-21

Remove full stop at the end.
fix AE post title
fixing again url+typo on AE post...
Update index.md

Wording
Merge pull request #308 from DaPo/patch-1

Fix: Wording
Remove unused travis cache (for private repo only)
Add minimal tape/testling test on travis

It’s better than nothing, since Travis is nicely integrated with GitHub
(especially for PR warning)
Fix broken testling tests
Merge pull request #309 from putaindecode/testling-on-travis

Add minimal tape/testling test on travis
Suppression des références à l'ancien repo des propositions

Ref #38
Remove outdated references to the `#crew`
Ajout d'une phrase manquante pour proposer un post via une issue

poke @putaindecode/owners
Update contributors cache
update links for pr/post
Post: Makefiles