Try to generate code coverage report for codeclimate

.travis.yml

@@ -10,10 +10,14 @@ node_js:
 
 before_script:
   - npm install -g gulp
+  - npm install -g codeclimate-test-reporter
   - psql -c 'DROP DATABASE IF EXISTS test;' -U postgres
   - psql -c 'create database test;' -U postgres
   - mysql -e 'create database IF NOT EXISTS test;'
   - mysql -v -uroot test < ./test/sql/mysql.sql
   - psql test postgres -f ./test/sql/pgsql.sql
 
-script: gulp
+script: gulp
+
+after_script:
+  - CODECLIMATE_REPO_TOKEN=aa39789a53f6f8fd84747a98968c9f79795e890d55a533daa943b1042f81687f codeclimate-test-reporter < coverage/lcov.info