use gcc 4.9 and include ROOT 6

.travis.yml

@@ -4,7 +4,8 @@ python:
     - "2.7"
     - "3.4"
 env:
-    - ROOT=5-34-18
+    - ROOT=v5-34-18
+    - ROOT=master
 install: source ci/install.sh
 script: bash ci/test.sh
 after_success:

ci/install.sh

@@ -8,13 +8,13 @@ set -e
 
 sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
 sudo apt-get -qq update
-sudo apt-get -qq install g++-4.8
-sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 90
+sudo apt-get -qq install g++-4.9
+sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.9 90
 sudo apt-get -qq install python-nose python-pip
 pip install coverage coveralls
 
 # Install the ROOT binary
-time wget --no-check-certificate https://copy.com/rtIyUdxgjt7h/ci/root_builds/rootv${ROOT}_python${TRAVIS_PYTHON_VERSION}_gcc4.8_x86_64.tar.gz
-time tar zxf rootv${ROOT}_python${TRAVIS_PYTHON_VERSION}_gcc4.8_x86_64.tar.gz
-mv rootv${ROOT}_python${TRAVIS_PYTHON_VERSION}_gcc4.8_x86_64 root
+time wget --no-check-certificate https://copy.com/rtIyUdxgjt7h/ci/root_builds/root${ROOT}_python${TRAVIS_PYTHON_VERSION}_gcc4.9.2_x86_64.tar.gz
+time tar zxf root${ROOT}_python${TRAVIS_PYTHON_VERSION}_gcc4.9.2_x86_64.tar.gz
+mv root${ROOT}_python${TRAVIS_PYTHON_VERSION}_gcc4.9.2_x86_64 root
 source root/bin/thisroot.sh