Triggering dependent builds as build stage.

.travis.yml

-dist: precise
 language: perl
+
 perl:
-- '5.14'
-- '5.12'
-- '5.10'
+  - '5.14'
+  - '5.12'
+  - '5.10'
+
 env:
-- COVERALLS=true  DB=mysql
-- COVERALLS=false DB=mysql
-- COVERALLS=false DB=sqlite
+  - COVERALLS=true  DB=mysql
+  - COVERALLS=false DB=mysql
+  - COVERALLS=false DB=sqlite
+
 sudo: false
+
 addons:
   apt:
     packages:
     - unzip
+
 before_install:
-- git clone --branch master --depth 1 https://github.com/Ensembl/ensembl-test.git
-- git clone --branch master --depth 1 https://github.com/Ensembl/ensembl-variation.git
-- git clone --branch master --depth 1 https://github.com/Ensembl/ensembl-compara.git
-- git clone -b bioperl-release-1-6-1 --depth 1 https://github.com/bioperl/bioperl-live.git
+    - git clone --branch master --depth 1 https://github.com/Ensembl/ensembl-test.git
+    - git clone --branch master --depth 1 https://github.com/Ensembl/ensembl-variation.git
+    - git clone --branch master --depth 1 https://github.com/Ensembl/ensembl-compara.git
+    - git clone -b bioperl-release-1-6-1 --depth 1 https://github.com/bioperl/bioperl-live.git
+    
 install:
-- cpanm -v --installdeps --notest .
-- cpanm -n Devel::Cover::Report::Coveralls
-- cpanm -n DBD::SQLite
-- cp travisci/MultiTestDB.conf.travisci.mysql  modules/t/MultiTestDB.conf.mysql
-- cp travisci/MultiTestDB.conf.travisci.SQLite modules/t/MultiTestDB.conf.SQLite
+    - cpanm -v --installdeps --notest .
+    - cpanm -n Devel::Cover::Report::Coveralls
+    - cpanm -n DBD::SQLite
+    - cp travisci/MultiTestDB.conf.travisci.mysql  modules/t/MultiTestDB.conf.mysql
+    - cp travisci/MultiTestDB.conf.travisci.SQLite modules/t/MultiTestDB.conf.SQLite
+    - mysql -u root -h localhost -e 'GRANT ALL PRIVILEGES ON *.* TO "travis"@"%"'
+    
 script: "./travisci/harness.sh"
+
+# Add build stage to trigger dependent builds, run sequentially after all test jobs
+# specified by the build matrix expansion have completed successfully
+jobs:
+  include:
+    - stage: trigger_dependent_builds
+      script: ./travisci/trigger-dependent-build.sh
+
 matrix:
   exclude:
   - perl: '5.10'
@@ -37,6 +52,7 @@ matrix:
     env: COVERALLS=false DB=sqlite
   - perl: '5.14'
     env: COVERALLS=true  DB=mysql
+
 notifications:
   email:
     on_success: always