Drop support for PHP<5.4 and Contao<3.5.5

Author: discordier

.travis.yml

@@ -1,22 +1,13 @@
 language: php
 
 php:
-  - 5.3
-  - 5.4
-  - 5.5
-  - 5.6
+  - "5.4"
+  - "5.5"
+  - "5.6"
+  - "7.0"
 
 env:
-  - CONTAO_VERSION=~3.2.0
-  - CONTAO_VERSION=~3.3.0
-  - CONTAO_VERSION=~3.4.0
-  - CONTAO_VERSION=~3.5.0
-
-# Exclude impossible Contao Version combinations.
-matrix:
-  exclude:
-    - php: 5.3
-      env: CONTAO_VERSION=~3.5.0
+  - CONTAO_VERSION=~3.5.5
 
 sudo: false
 

composer.json

@@ -31,18 +31,15 @@
     "source": "https://github.com/MetaModels/filter_checkbox"
   },
   "require": {
-    "php": ">=5.3",
-    "contao/core": ">=3.2,<3.6",
+    "php": ">=5.4",
+    "contao/core": "^3.5.5",
     "contao-community-alliance/composer-plugin": "~2.0",
     "metamodels/core": "~2.0"
   },
   "require-dev": {
     "cyberspectrum/contao-toolbox": "~0.6",
     "phpcq/all-tasks": "~1.0"
   },
-  "conflict": {
-    "contao/core": "3.4.0"
-  },
   "autoload": {
     "psr-0": {
       "MetaModels": "src"