Attempt to fix travis for 2.x

There has been a distrubance in the force, and our travis builds no
longer work.

.travis.yml

@@ -37,8 +37,8 @@ matrix:
 
 
 before_script:
-  - composer global require "phpunit/phpunit=$PHPUNIT"
-  - echo "require_once '$HOME/.composer/vendor/autoload.php';" >> app/Config/bootstrap.php
+  - composer require "phpunit/phpunit=$PHPUNIT"
+  - echo "require_once 'vendor/autoload.php';" >> app/Config/bootstrap.php
   - sudo locale-gen de_DE
   - sudo locale-gen es_ES
   - sh -c "if [ '$DB' = 'mysql' ]; then mysql -e 'CREATE DATABASE cakephp_test;'; fi"
@@ -49,8 +49,8 @@ before_script:
   - sh -c "if [ '$DB' = 'pgsql' ]; then psql -c 'CREATE SCHEMA test3;' -U postgres -d cakephp_test; fi"
   - chmod -R 777 ./app/tmp
   - if [[ ${TRAVIS_PHP_VERSION:0:3} == "5.3" ]] ; then pecl install timezonedb ; fi
-  - sh -c "if [ '$PHPCS' = '1' ]; then composer global require 'cakephp/cakephp-codesniffer:1.*'; fi"
-  - sh -c "if [ '$PHPCS' = '1' ]; then ~/.composer/vendor/bin/phpcs --config-set installed_paths ~/.composer/vendor/cakephp/cakephp-codesniffer; fi"
+  - sh -c "if [ '$PHPCS' = '1' ]; then composer require 'cakephp/cakephp-codesniffer:1.*'; fi"
+  - sh -c "if [ '$PHPCS' = '1' ]; then vendor/bin/phpcs --config-set installed_paths vendor/cakephp/cakephp-codesniffer; fi"
   - echo "extension = memcached.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
   - if [[ ${TRAVIS_PHP_VERSION:0:1} == "7" ]] ; then echo "yes" | pecl install apcu-5.1.3 || true; fi
   - if [[ ${TRAVIS_PHP_VERSION:0:1} == "5" ]] ; then echo "yes" | pecl install apcu-4.0.11 || true; fi
@@ -136,9 +136,10 @@ before_script:
       }
     }
     }" > app/Config/database.php
+
 script:
   - sh -c "if [ '$PHPCS' != '1' ]; then ./lib/Cake/Console/cake test core AllTests --stderr; fi"
-  - sh -c "if [ '$PHPCS' = '1' ]; then ~/.composer/vendor/bin/phpcs -p --extensions=php --standard=CakePHP ./lib/Cake; fi;"
+  - sh -c "if [ '$PHPCS' = '1' ]; then vendor/bin/phpcs -p --extensions=php --standard=CakePHP ./lib/Cake; fi;"
 
 notifications:
   email: false