quiet conda install

Author: ocefpaf

.travis.yml

@@ -38,7 +38,7 @@ before_install:
     bash miniconda.sh -b -p $HOME/miniconda
     export PATH="$HOME/miniconda/bin:$PATH"
     conda config --set always_yes yes --set changeps1 no --set show_channel_urls true
-    conda update conda
+    conda update conda --quiet
     conda config --add channels conda-forge --force
     conda install pycryptosat
     conda config --set safety_checks disabled