CI: update numpy version to 1.8.2 for Python 2 on CI.

Author: ariddell

continuous_integration/install.sh

@@ -24,7 +24,7 @@ export PATH=$HOME/miniconda3/bin:$PATH
 # Update conda itself
 conda update --yes --quiet conda
 PYTHON_VERSION_MAJOR=${TRAVIS_PYTHON_VERSION:0:1}
-if [[ $PYTHON_VERSION_MAJOR == '2' ]]; then conda create --quiet --yes -n env_name python=$TRAVIS_PYTHON_VERSION pip Cython=0.22 numpy=1.7 scipy nose matplotlib pandas; fi
+if [[ $PYTHON_VERSION_MAJOR == '2' ]]; then conda create --quiet --yes -n env_name python=$TRAVIS_PYTHON_VERSION pip Cython=0.22 numpy=1.8.2 scipy nose matplotlib pandas; fi
 if [[ $PYTHON_VERSION_MAJOR == '3' ]]; then conda create --quiet --yes -n env_name python=$TRAVIS_PYTHON_VERSION pip Cython numpy scipy nose matplotlib pandas; fi
 source activate env_name
 python -c "import numpy"