Make new TRAVIS scripts

.travis.yml

@@ -23,7 +23,6 @@ python:
 
 # command to install dependencies
 before_install:
-  - chmod +x ./.travis/travis_before_install.sh
   - ./.travis/travis_before_install.sh
   - export PATH=/home/travis/miniconda2/bin:$PATH
 
@@ -35,7 +34,6 @@ addons:
    - dvipng
 
 install:
-  - chmod +x ./.travis/travis_install.sh
   - ./.travis/travis_install.sh
   - source activate pyenv
   - if [[ $TRAVIS_PYTHON_VERSION == '2.7' ]]; then pip install pydot; else pip install pydot-ng; fi