travis + composer: bump to PHP 7.1

Author: TomasVotruba

.travis.yml

@@ -1,7 +1,6 @@
 language: php
 
 php:
-  - 7.0
   - 7.1
   - 7.2
 

composer.json

@@ -1,5 +1,5 @@
 {
-    "name":    "phpdocumentor/reflection-docblock",
+    "name": "phpdocumentor/reflection-docblock",
     "description": "With this component, a library can provide support for annotations via DocBlocks or otherwise retrieve information that is embedded in a DocBlock.",
     "type":    "library",
     "license": "MIT",
@@ -10,21 +10,25 @@
         }
     ],
     "require": {
-        "php": "^7.0",
-        "phpdocumentor/reflection-common": "^1.0.0",
-        "phpdocumentor/type-resolver": "^0.4.0",
+        "php": "^7.1",
+        "phpdocumentor/reflection-common": "^1.0",
+        "phpdocumentor/type-resolver": "^0.4",
         "webmozart/assert": "^1.0"
     },
     "autoload": {
-        "psr-4": {"phpDocumentor\\Reflection\\": ["src/"]}
+        "psr-4": {
+            "phpDocumentor\\Reflection\\": "src"
+        }
     },
     "autoload-dev": {
-        "psr-4": {"phpDocumentor\\Reflection\\": ["tests/unit"]}
+        "psr-4": {
+            "phpDocumentor\\Reflection\\": "tests/unit"
+        }
     },
     "require-dev": {
         "mockery/mockery": "^1.0",
         "phpunit/phpunit": "^6.4",
-        "doctrine/instantiator": "~1.0.5"
+        "doctrine/instantiator": "^1.0"
     },
     "extra": {
         "branch-alias": {