[TRAVIS] cleanup travis script

tests/travis/setup.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+if [ ${TRAVIS_OS_NAME} == "osx" ]; then
+    brew update
+    brew install graphviz
+fi
+
+if [ ${TASK} == "lint" ]; then
+    pip install cpplint 'pylint==1.4.4' 'astroid==1.3.6' --user `whoami`
+fi
+
+
+if [ ${TASK} == "python_test" ]; then
+    # python2
+    if [ ${TRAVIS_OS_NAME} == "osx" ]; then
+        wget -O conda.sh https://repo.continuum.io/miniconda/Miniconda3-latest-MacOSX-x86_64.sh
+    else
+        wget -O conda.sh https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh
+    fi
+    bash conda.sh -b -p $HOME/miniconda
+    export PATH="$HOME/miniconda/bin:$PATH"
+    hash -r
+    conda config --set always_yes yes --set changeps1 no
+    conda update -q conda
+    # Useful for debugging any issues with conda
+    conda info -a
+    conda create -n python3 python=3.5
+    conda create -n python2 python=2.7
+    source activate python3
+    conda install numpy scipy pandas matplotlib nose scikit-learn
+    python -m pip install graphviz
+    source activate python2
+    conda install numpy scipy pandas matplotlib nose scikit-learn
+    python -m pip install graphviz
+fi