Laravel version update

Laravel version update

vendor/symfony/http-kernel/composer.json

@@ -16,35 +16,42 @@
         }
     ],
     "require": {
-        "php": ">=5.5.9",
-        "symfony/event-dispatcher": "~2.8|~3.0",
-        "symfony/http-foundation": "~2.8.8|~3.0.8|~3.1.2|~3.2",
-        "symfony/debug": "~2.8|~3.0",
+        "php": "^5.5.9|>=7.0.8",
+        "symfony/event-dispatcher": "~2.8|~3.0|~4.0",
+        "symfony/http-foundation": "~3.4.12|~4.0.12|^4.1.1",
+        "symfony/debug": "~2.8|~3.0|~4.0",
+        "symfony/polyfill-ctype": "~1.8",
         "psr/log": "~1.0"
     },
     "require-dev": {
-        "symfony/browser-kit": "~2.8|~3.0",
+        "symfony/browser-kit": "~2.8|~3.0|~4.0",
         "symfony/class-loader": "~2.8|~3.0",
-        "symfony/config": "~2.8|~3.0",
-        "symfony/console": "~2.8|~3.0",
-        "symfony/css-selector": "~2.8|~3.0",
-        "symfony/dependency-injection": "~2.8|~3.0",
-        "symfony/dom-crawler": "~2.8|~3.0",
-        "symfony/expression-language": "~2.8|~3.0",
-        "symfony/finder": "~2.8|~3.0",
-        "symfony/process": "~2.8|~3.0",
-        "symfony/routing": "~2.8|~3.0",
-        "symfony/stopwatch": "~2.8|~3.0",
-        "symfony/templating": "~2.8|~3.0",
-        "symfony/translation": "~2.8|~3.0",
-        "symfony/var-dumper": "~2.8|~3.0"
+        "symfony/config": "~2.8|~3.0|~4.0",
+        "symfony/console": "~2.8|~3.0|~4.0",
+        "symfony/css-selector": "~2.8|~3.0|~4.0",
+        "symfony/dependency-injection": "^3.4.10|^4.0.10",
+        "symfony/dom-crawler": "~2.8|~3.0|~4.0",
+        "symfony/expression-language": "~2.8|~3.0|~4.0",
+        "symfony/finder": "~2.8|~3.0|~4.0",
+        "symfony/process": "~2.8|~3.0|~4.0",
+        "symfony/routing": "~3.4|~4.0",
+        "symfony/stopwatch": "~2.8|~3.0|~4.0",
+        "symfony/templating": "~2.8|~3.0|~4.0",
+        "symfony/translation": "~2.8|~3.0|~4.0",
+        "symfony/var-dumper": "~3.3|~4.0",
+        "psr/cache": "~1.0"
+    },
+    "provide": {
+        "psr/log-implementation": "1.0"
     },
     "conflict": {
-        "symfony/config": "<2.8"
+        "symfony/config": "<2.8",
+        "symfony/dependency-injection": "<3.4.10|<4.0.10,>=4",
+        "symfony/var-dumper": "<3.3",
+        "twig/twig": "<1.34|<2.4,>=2"
     },
     "suggest": {
         "symfony/browser-kit": "",
-        "symfony/class-loader": "",
         "symfony/config": "",
         "symfony/console": "",
         "symfony/dependency-injection": "",
@@ -60,7 +67,7 @@
     "minimum-stability": "dev",
     "extra": {
         "branch-alias": {
-            "dev-master": "3.0-dev"
+            "dev-master": "3.4-dev"
         }
     }
 }