Move apigen docs out of composer.json

Those can not be satisfied on older than php 7.1

Signed-off-by: Michal Čihař <michal@cihar.com>

Author: nijel

.travis.yml

@@ -21,7 +21,7 @@ matrix:
     - php: "7.1"
       env: DOCS=yes
     - php: "7.0"
-      env: REQUIRE="phpmyadmin/motranslator:^3.0 "
+      env: REQUIRE="phpmyadmin/motranslator:^3.0"
     - dist: precise
       php: "5.3"
 
@@ -30,6 +30,7 @@ sudo: false
 install:
   - composer install
   - if [ -n "$REQUIRE" ] ; then composer require "$REQUIRE" ; fi
+  - if [ "$DOCS" = "yes" ] ; then composer require "apigen/apigen dev-master#e381f7c" "roave/better-reflection dev-master#c87d856" ; fi
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)

composer.json

@@ -21,9 +21,7 @@
     },
     "require-dev": {
         "phpunit/php-code-coverage": "*",
-        "phpunit/phpunit": "~4.8 || ~5.7",
-        "apigen/apigen": "dev-master#e381f7cef4194571cc9303a5fa8842a352d7eabb",
-        "roave/better-reflection": "dev-master#c87d856"
+        "phpunit/phpunit": "~4.8 || ~5.7"
     },
     "conflict": {
         "phpmyadmin/motranslator": "<3.0"