* Reverting to using root from debian as root from ubuntu does not work

.travis.yml

@@ -10,8 +10,8 @@ compiler:
 
 before_install:
   # Linux
-#  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu/ trusty main universe"; fi
-#  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then sudo apt-get -qq install root-system; fi
+  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then sudo add-apt-repository -y "deb http://archive.ubuntu.com/ubuntu/ trusty main universe"; fi
+  - if [ "$TRAVIS_OS_NAME" == "linux" ]; then sudo apt-get -qq install root-system; fi
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then cd && wget https://www.dropbox.com/s/8hxjkd6twdsv5fi/geant4_install_new.tar.gz; fi
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then tar -xf geant4_install_new.tar.gz; fi
   - if [ "$TRAVIS_OS_NAME" == "linux" ]; then source ~/geant4_install/share/Geant4-10.1.2/geant4make/geant4make.sh; fi
@@ -41,11 +41,8 @@ branches:
 
 addons:
   apt:
-#    sources:
-#    - ubuntu-toolchain-r-test
     packages:
     - ninja-build
-    - root-system 
 
 #notifications:
 #  email: