Use the diffpy channel for conda build in travis.

Author: pavoljuhas

.travis.yml

@@ -54,10 +54,9 @@ before_install:
   - $NOMC || popd
   - $NOMC || export PATH="${HOME}/mc/bin:${PATH}"
   - $NOMC || conda update --yes conda
-  - $NOMC || conda install --yes python=${MYPYTHON_VERSION} conda-build
+  - $NOMC || conda install --yes conda-build jinja2
   - $NOMC || conda create --name=testenv --yes python=${MYPYTHON_VERSION}
-  - $NOMC || conda config --add channels pavoljuhas/channel/dev
-  - $NOMC || conda config --add channels pavoljuhas
+  - $NOMC || conda config --add channels diffpy
 
   - $NOAPT || test "${TRAVIS_OS_NAME}" = "linux"
   - $NOAPT || sudo apt-get update -qq