fix indention to 4 spaces

Author: shinobu

.travis.yml

@@ -1,56 +1,56 @@
 language: php
 
 php:
-  - 5.4
-  - 5.6
-  - 7.0
-  - 7.1
+    - 5.4
+    - 5.6
+    - 7.0
+    - 7.1
 
 env:
-  - VIRTUOSO=6.1.7
-  - VIRTUOSO=7.1.0
-  - VIRTUOSO=7.2.4.2
+    - VIRTUOSO=6.1.7
+    - VIRTUOSO=7.1.0
+    - VIRTUOSO=7.2.4.2
 
 matrix:
-  fast_finish: true
-  include:
-    - php: 5.4
-      env: VIRTUOSO=6.1.4
-    - php: 5.4
-      env: VIRTUOSO=6.1.6
-    - php: 5.4
-      env: VIRTUOSO=7.2.0
-  allow_failures:
-    - php: 7.0
-    - php: 7.1
+    fast_finish: true
+    include:
+        - php: 5.4
+          env: VIRTUOSO=6.1.4
+        - php: 5.4
+          env: VIRTUOSO=6.1.6
+        - php: 5.4
+          env: VIRTUOSO=7.2.0
+    allow_failures:
+        - php: 7.0
+        - php: 7.1
 
 cache:
     directories:
-      - $HOME/.composer/cache
-      - virtuoso-opensource
+        - $HOME/.composer/cache
+        - virtuoso-opensource
 
 sudo: true
 
 services:
-  - mysql
+    - mysql
 
 before_install:
-  - bash ./application/scripts/travis/install-extensions.sh
-  - bash ./application/scripts/travis/install-services.sh
-  - sudo apt-get -qq update
-  - sudo apt-get install -y raptor2-utils
-  - phpenv config-rm xdebug.ini
-  - mysql -e 'CREATE DATABASE ontowiki_TEST;'
+    - bash ./application/scripts/travis/install-extensions.sh
+    - bash ./application/scripts/travis/install-services.sh
+    - sudo apt-get -qq update
+    - sudo apt-get install -y raptor2-utils
+    - phpenv config-rm xdebug.ini
+    - mysql -e 'CREATE DATABASE ontowiki_TEST;'
 
 install:
-  - travis_retry composer install --no-interaction
+    - travis_retry composer install --no-interaction
 
 before_script:
-  - cp ./application/tests/config.ini.dist.travis ./application/tests/config.ini
-  - make directories
+    - cp ./application/tests/config.ini.dist.travis ./application/tests/config.ini
+    - make directories
 
 script: 
-  - vendor/bin/phpunit --testsuite "OntoWiki Unit Tests"
-  - EF_STORE_ADAPTER=zenddb vendor/bin/phpunit --testsuite "OntoWiki ZendDB Integration Tests"
-  - EF_STORE_ADAPTER=virtuoso vendor/bin/phpunit --testsuite "OntoWiki Virtuoso Integration Tests"
-  - vendor/bin/phpunit --testsuite "OntoWiki Extensions Tests"
+    - vendor/bin/phpunit --testsuite "OntoWiki Unit Tests"
+    - EF_STORE_ADAPTER=zenddb vendor/bin/phpunit --testsuite "OntoWiki ZendDB Integration Tests"
+    - EF_STORE_ADAPTER=virtuoso vendor/bin/phpunit --testsuite "OntoWiki Virtuoso Integration Tests"
+    - vendor/bin/phpunit --testsuite "OntoWiki Extensions Tests"