Update projcet build script

.coveralls.yml

@@ -0,0 +1,3 @@
+service_name: travis-ci
+coverage_clover: tests/clover.xml
+json_path: tests/coveralls-upload.json

.travis.yml

@@ -1,6 +1,13 @@
 language: php
 php:
   - '5.6'
+  - '7.1'
+
+services:
+  - mysql
+
+git:
+  depth: 1
 
 mysql:
   database: test
@@ -9,16 +16,23 @@ mysql:
 
 before_install:
   - sudo apt-get update > /dev/null
-  - php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
-  - php -r "if (hash_file('SHA384', 'composer-setup.php') === '669656bab3166a7aff8a7506b8cb2d1c292f042046c5a994c43155c0be6190fa0355160742ab2e1c88d40d5be660b410') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
-  - php composer-setup.php
-  - php -r "unlink('composer-setup.php');"
-
+  - mysql -e 'CREATE DATABASE IF NOT EXISTS test;'
+
 install:
-  - php composer.phar install
+  # Install composer packages, will also trigger dump-autoload
+  - travis_retry composer install --no-interaction
+  # Install coveralls.phar
+  - wget -c -nc --retry-connrefused --tries=0 https://github.com/satooshi/php-coveralls/releases/download/v1.0.1/coveralls.phar
+  - chmod +x coveralls.phar
+  - php coveralls.phar --version
 
 script:
   - cd tests
   - php run.php
-  - php coverage-checker.php clover.xml 70
+  - cd ..
 
+after_success:
+# Submit coverage report to Coveralls servers, see .coveralls.yml
+ - travis_retry php coveralls.phar -v
+# Submit coverage report to codecov.io
+ - bash <(curl -s https://codecov.io/bash)