Documentation mongo support version

docs/Install mongodb

- 
+Install version 3.4 or below
+
 Install mongodb extension for php
- 
+
 http://php.net/manual/fr/mongodb.installation.php
-     
+
     beware of choosing the right version of the extension (php7 or ph5)
-    
+
 Install an additional driver for the bundle
 
-  php path-to-composer.phar/composer.phar  require alcaeus/mongo-php-adapter 
- 
+  php path-to-composer.phar/composer.phar  require alcaeus/mongo-php-adapter
+
 Add Mongodb bundle
 
   Follow the instruction of this link

docs/installation.md

@@ -16,11 +16,11 @@ Requirements
 ------------
 
 1. Php (Sur Linux : php7.2-curl)
-2. [Composer](https://getcomposer.org/download/) 
+2. [Composer](https://getcomposer.org/download/)
 3. [Nodejs](https://nodejs.org/en/download/)
 4. [Git](https://git-scm.com/)
 5. Web Server (Apache, Ngninx, [Wamp server](http://www.wampserver.com/) ...)
-6. MongoDB (http://php.net/manual/fr/mongodb.installation.php)
+6. MongoDB (http://php.net/manual/fr/mongodb.installation.php) -> !!Version 3.4 or below!!!
 
 The project is using php5. **If you want to use php7**, you will need to install the [MongoPhpAdapter](https://github.com/alcaeus/mongo-php-adapter)
 To do so, please run :
@@ -40,8 +40,8 @@ git clone https://github.com/pixelhumain/GoGoCarto
 cd GoGoCarto/
 ```
 
-### Installing dependencies 
-Php dependency (symfony, bundles...) 
+### Installing dependencies
+Php dependency (symfony, bundles...)
 ```
 composer install
 ```