update to travis-ci file

composer.json

@@ -1,11 +1,11 @@
-{
+ {
     "name": "phpvms/phpvms",
     "version": "7.0.0-dev",
     "description": "phpVMS - Virtual Airline Administration",
     "keywords": ["phpvms", "virtual", "airlines"],
     "license": "MIT",
     "type": "project",
-    "prefer-stable": true,
+    "minimum-stability": "stable",
     "url": "https://github.com/nabeelio/phpvms.git",
     "require": {
         "php": ">=7.0",
@@ -33,6 +33,7 @@
         "symfony/dom-crawler": "v3.4.0",
         "league/geotools": "0.7.0",
         "toin0u/geotools-laravel": "^1.0",
+        "anlutro/l4-settings": "0.6.0",
         "webpatser/laravel-uuid": "3.0.1",
         "chrisbjr/api-guard": "4.1.0",
         "spatie/laravel-fractal": "5.3.0",
@@ -44,13 +45,8 @@
         "scriptfusion/phpunit-immediate-exception-printer": "1.3.0",
         "nwidart/laravel-modules": "2.6.0",
         "sebastiaanluca/laravel-helpers": "1.0.2",
-        "tivie/php-os-detector": "1.1.0",
-        "jackiedo/timezonelist": "^5.0",
-        "nesbot/carbon": "1.22.*",
-        "pragmarx/version": "0.2.1",
-        "tremby/laravel-git-version": "^1.1",
         "nabeel/laravel-installer": "dev-master",
-        "nabeel/vacentral": "dev-master"
+        "tivie/php-os-detector": "1.1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "6.4.0",
@@ -63,9 +59,6 @@
         "bpocallaghan/generators": "5.0.1"
     },
     "autoload": {
-        "files": [
-            "app/helpers.php"
-        ],
         "classmap": [
             "database"
         ],