Use composer PSR-4 autoloader

.gitignore

@@ -0,0 +1,4 @@
+vendor/
+composer.lock
+grammar/kmyacc.exe
+grammar/y.output

.travis.yml

@@ -10,6 +10,8 @@ php:
   - nightly
   - hhvm
 
+install: composer install
+
 matrix:
   allow_failures:
     - php: nightly

composer.json

@@ -14,7 +14,9 @@
         "ext-tokenizer": "*"
     },
     "autoload": {
-        "files": ["lib/bootstrap.php"]
+        "psr-4": {
+            "PhpParser\\": "lib/PhpParser"
+        }
     },
     "extra": {
         "branch-alias": {

test/bootstrap.php

@@ -2,7 +2,7 @@
 
 namespace PhpParser;
 
-require __DIR__ . '/../lib/bootstrap.php';
+require __DIR__ . '/../vendor/autoload.php';
 
 function canonicalize($str) {
     // trim from both sides