- Also added Framadate\Message à link attribute
	- Added local anchor #edit with vote edition
	- For now, when the poll owner check the new edit option (ie: "Votes are editable solely by their owner"), users get their update link on vote creation

	- Changed the smarty modifier poll_url to a function and added the vote_id parameter
	- Modified accordingly all poll_url occurence in templates
	- Added htaccess.txt to be sure to keep poll's URL changes up to date
	- Escaped some templates output in order to avoid to broke HTML
	- Using vote's uniqId instead of vote's id when it's needed

* Now works on windows servers
* Byebye .po/.mo, welcome .json
* Byebye old gettext library, welcome o80-i18n

First: Block the poll (no more modification)
Second: Delete the poll 60 days after the expiration date (configurable)

(cherry picked from commit 16da5370)

Conflicts:
	app/inc/constants.php.template
	app/inc/init.php

+ Use this system to migrate from 0.8 to 0.9 (WIP)