Update CodeIgniter version to 3.1.*

Author: kenjis

README.md

@@ -2,7 +2,7 @@
 
 [![Latest Stable Version](https://poser.pugx.org/kenjis/codeigniter-composer-installer/v/stable)](https://packagist.org/packages/kenjis/codeigniter-composer-installer) [![Total Downloads](https://poser.pugx.org/kenjis/codeigniter-composer-installer/downloads)](https://packagist.org/packages/kenjis/codeigniter-composer-installer) [![Latest Unstable Version](https://poser.pugx.org/kenjis/codeigniter-composer-installer/v/unstable)](https://packagist.org/packages/kenjis/codeigniter-composer-installer) [![License](https://poser.pugx.org/kenjis/codeigniter-composer-installer/license)](https://packagist.org/packages/kenjis/codeigniter-composer-installer)
 
-This package installs the offical [CodeIgniter](https://github.com/bcit-ci/CodeIgniter) (version `3.0.*`) with secure folder structure via Composer.
+This package installs the offical [CodeIgniter](https://github.com/bcit-ci/CodeIgniter) (version `3.1.*`) with secure folder structure via Composer.
 
 You can update CodeIgniter system folder to latest version with one command.
 
@@ -24,7 +24,7 @@ codeigniter/
 
 ## Requirements
 
-* PHP 5.3.2 or later
+* PHP 5.3.7 or later
 * `composer` command (See [Composer Installation](https://getcomposer.org/doc/00-intro.md#installation-linux-unix-osx))
 * Git
 
@@ -58,7 +58,7 @@ If you want to install translations for system messages:
 
 ```
 $ cd /path/to/codeigniter
-$ php bin/install.php translations 3.0.0
+$ php bin/install.php translations 3.1.0
 ```
 
 #### Install Third Party Libraries

composer.json

@@ -15,7 +15,7 @@
         }
     ],
     "require": {
-            "codeigniter/framework": "3.0.*"
+            "codeigniter/framework": "3.1.*"
     },
     "autoload": {
         "psr-4": {

composer.json.dist

@@ -2,7 +2,7 @@
 	"description" : "The CodeIgniter Application with Composer",
 	"require": {
 		"php": ">=5.3.2",
-		"codeigniter/framework": "3.0.*"
+		"codeigniter/framework": "3.1.*"
 	},
 	"require-dev": {
 		"mikey179/vfsStream": "1.1.*"