Don't style check MD and TXT Files (#42)

* Don't style check MD and TXT Files

* Update the name of the local repository

This brings it into line with the other travis configs.

.travis.yml

@@ -19,13 +19,13 @@ before_install:
 
 install:
   - $SCRIPT_DIR/travis_setup.sh
-  - cd $DRUPAL_DIR; composer config repositories.1 path "$TRAVIS_BUILD_DIR"
+  - cd $DRUPAL_DIR; composer config repositories.local path "$TRAVIS_BUILD_DIR"
   - composer require "islandora/islandora:dev-$TRAVIS_COMMIT as dev-8.x-1.x" --prefer-source
   - cd web; drush en -y islandora
 
 script:
   - $SCRIPT_DIR/line_endings.sh $TRAVIS_BUILD_DIR
-  - phpcs --standard=Drupal --extensions=php,module,inc,install,test,profile,theme,css,info,txt,md $TRAVIS_BUILD_DIR
+  - phpcs --standard=Drupal --extensions=php,module,inc,install,test,profile,theme,css,info $TRAVIS_BUILD_DIR
   - phpcpd --names *.module,*.inc,*.test,*.php $TRAVIS_BUILD_DIR
   - php core/scripts/run-tests.sh --verbose --php `which php` islandora