nupic/issues#390 Suppress some output during travis build

.travis.yml

@@ -39,15 +39,14 @@ before_install:
   - git clone https://github.com/numenta/nupic-linux64.git
   - (cd nupic-linux64 && git reset --hard 9e4df07ee03184d670a8801b76f206785e2a8b2e)
   - source nupic-linux64/bin/activate
-  - printenv | sort
-  - gem install travis-artifacts
+  - gem install travis-artifacts > /dev/null
 
 install:
-  - if [ $PY_VERSION != "2.6" ]; then (cd nupic-linux64/ && mkdir -p lib/python${PY_VERSION}/site-packages && make) fi
+  - if [ $PY_VERSION != "2.6" ]; then (cd nupic-linux64/ && mkdir -p lib/python${PY_VERSION}/site-packages && make > /dev/null) fi
   # Workaround for multiprocessing.Queue SemLock error from run_opf_bechmarks_test.
   # See: https://github.com/travis-ci/travis-cookbooks/issues/155
   - "sudo rm -rf /dev/shm && sudo ln -s /run/shm /dev/shm"
-  - pip install -r $NUPIC/external/common/requirements.txt
+  - pip install -q -r $NUPIC/external/common/requirements.txt
   - "$NUPIC/build.sh"
 
 script:
@@ -56,7 +55,7 @@ script:
   # (not quite everything, really)
   - "$NTA/bin/testeverything"
   # actual unit tests
-  - "$NUPIC/run_tests.sh --all --coverage"
+  - "$NUPIC/run_tests.sh --all"
 
   # run all example files
     # examples/bindings