Move to using new ROOT builds

Author: chrisburr

.travis.yml

@@ -3,13 +3,11 @@ language: python
 matrix:
   include:
     - python: 2.7
-      env: PYTHON=2.7 ROOT=5.34.32
-    - python: 2.7
-      env: PYTHON=2.7 ROOT=6.04
-    - python: 3.4
-      env: PYTHON=3.4 ROOT=5.34.32
-    - python: 3.4
-      env: PYTHON=3.4 ROOT=6.04
+      env: PYTHON=2.7
+    - python: 3.6
+      env: PYTHON=3.6
+    - python: 3.7
+      env: PYTHON=3.7
 
 install:
   - if [ "${TRAVIS_OS_NAME}" == "osx" ]; then curl --silent http://repo.continuum.io/miniconda/Miniconda-latest-MacOSX-x86_64.sh
@@ -20,11 +18,9 @@ install:
   - export PATH="$HOME/miniconda/bin:$PATH"
   - hash -r
   - conda config --set always_yes yes --set changeps1 no
-  - conda update -q conda
-  - conda info -a
-  - conda config --add channels http://conda.anaconda.org/NLeSC
-  - conda config --set show_channel_urls yes
-  - conda create -q -n testenv python=${PYTHON} root=${ROOT} pandas nose
+  - conda config --add channels conda-forge/label/gcc7
+  - conda config --add channels chrisburr
+  - conda create -q -n testenv python=${PYTHON} root pandas nose
   - export CONDA_ENV_PATH=$HOME/miniconda/envs/testenv
   - source activate testenv
   - pip install --user --no-binary=root_numpy root_numpy==4.4.1 rootpy