Updated mediawiki/extensions
Project: mediawiki/extensions/OAuth  9550868be8d95da4ba790b65ad64abcbd7cdb6b7

Improving doc. on how OAuth is integrated in MW

Reworked version, with tabs instead of spaces.

* Following code format recommendations
* Making sure that cURL calls are SSL only if it is configured
* Added more notes on the process

Change-Id: I3732eb25525be800efcc633447dc188427e743ea