set conda config --set anaconda_upload yes in deploy script (#618)

* explicitly set conda channels for travis

* explicitly add channels to conda build

* set conda upload 'yes' in deploy script

travis/deploy.sh

@@ -41,6 +41,7 @@ echo "Python version: $(python --version)"
 if [ ! -z "$ANACONDA_TOKEN" ]; then
     echo "Running $SCRIPTPATH/package-conda.sh"
     # Render recipe from template and dependency files, setting the tag as the current version
+    conda config --set anaconda_upload yes
     python packaging/conda-recipe/render-recipe.py "$PKG_VERSION" --build-reqs requirements-conda.txt --run-reqs requirements-conda.txt --py3-run-reqs requirements-py3.txt --py2-run-reqs requirements-py2.txt && \
         conda build -c broad-viral -c r -c bioconda -c conda-forge -c defaults --python "$TRAVIS_PYTHON_VERSION" --token "$ANACONDA_TOKEN" packaging/conda-recipe/viral-ngs && \
         ./travis/trigger-tests-in-other-repo.sh