Drop Laravel 5.0 and PHP 5.4 support

Author: vinkla

.travis.yml

@@ -1,7 +1,7 @@
 language: php
 
 php:
-  - 5.4
+  - 5.5.9
   - 5.5
   - 5.6
   - hhvm

composer.json

@@ -10,20 +10,20 @@
         }
     ],
     "require": {
-        "php": ">=5.4.0",
-        "illuminate/routing": "5.0.*|5.1.*",
-        "illuminate/support": "5.0.*|5.1.*",
+        "php": ">=5.5.9",
+        "illuminate/routing": "5.1.*",
+        "illuminate/support": "5.1.*",
         "league/fractal": "0.12.*"
     },
     "require-dev": {
         "lucadegasperi/oauth2-server-laravel": "4.1.*@dev",
         "tymon/jwt-auth": "0.5.*",
-        "illuminate/auth": "5.0.*",
-        "illuminate/cache": "5.0.*",
-        "illuminate/database": "5.0.*",
-        "illuminate/pagination": "5.0.*",
-        "illuminate/console": "5.0.*",
-        "illuminate/filesystem": "5.0.*",
+        "illuminate/auth": "5.1.*",
+        "illuminate/cache": "5.1.*",
+        "illuminate/database": "5.1.*",
+        "illuminate/pagination": "5.1.*",
+        "illuminate/console": "5.1.*",
+        "illuminate/filesystem": "5.1.*",
         "phpunit/phpunit": "~4.0",
         "mockery/mockery": "~0.9",
         "squizlabs/php_codesniffer": "~2.0"
@@ -46,5 +46,7 @@
         "branch-alias": {
             "dev-develop": "0.9-dev"
         }
-    }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true
 }