Merge branch 'master' into add_feedback - Travis enhancement

.travis.yml

@@ -17,7 +17,7 @@ install:
        brew install cartr/qt4/qt 
        ;
     fi
-  - sudo -H pip install nose numpy
+  - sudo -H pip install --upgrade nose numpy
 os:
   - linux
   - osx
@@ -29,4 +29,4 @@ env:
 script:
   - mkdir build && cd build
   - cmake -DCMAKE_BUILD_TYPE=RelwithDebInfo .. && make -j4 && make install
-  - cd .. && pip install --user . && nosetests --exe tests/test_basic.py
+  - cd .. && pip install --user . && nosetests --exe -vd tests/test_basic.py