Drop support for PHP 5.3, oldest supported version is now 5.4.0

Author: JakubOnderka

.travis.yml

@@ -1,14 +1,13 @@
 language: php
 
 php:
-  - 5.3.3
   - 5.4
   - 5.5
   - 5.6
   - 7.0
   - 7.1
-  - hhvm
-  
+  - 7.2
+
 sudo: false
 
 cache:
@@ -17,8 +16,6 @@ cache:
     - $HOME/.composer/cache
 
 before_script:
-  - if [ "$TRAVIS_PHP_VERSION" == "5.3.3" ]; then composer config disable-tls true; fi
-  - if [ "$TRAVIS_PHP_VERSION" == "5.3.3" ]; then composer config secure-http false; fi
   - composer install --no-interaction --prefer-source
 
 script:

composer.json

@@ -11,7 +11,7 @@
         "psr-4": {"JakubOnderka\\PhpConsoleColor\\": "src/"}
     },
     "require": {
-        "php": ">=5.3.2"
+        "php": ">=5.4.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.3",