[CHG] travis.yml

Use the official branch 8.0 since https://github.com/OCA/reporting-engine/pull/5 has been merged.

.travis.yml

@@ -11,7 +11,7 @@ virtualenv:
   system_site_packages: true
 
 install:
-  - git clone https://github.com/luc-demeyer/reporting-engine.git ${HOME}/reporting-engine -b ${VERSION}
+  - git clone https://github.com/OCA/reporting-engine.git ${HOME}/reporting-engine -b ${VERSION}
   - git clone https://github.com/OCA/maintainer-quality-tools.git ${HOME}/maintainer-quality-tools
   - sudo wget http://downloads.sourceforge.net/project/wkhtmltopdf/0.12.1/wkhtmltox-0.12.1_linux-precise-amd64.deb -P /tmp/
   - sudo dpkg -i /tmp/wkhtmltox-0.12.1_linux-precise-amd64.deb