update numpy version

.travis.yml

@@ -24,7 +24,7 @@ before_install:
   - conda update --yes conda
 
 install:
-  - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then conda create --yes -q -n pyenv mkl python=2.6 numpy=1.6.2 scipy=0.11 nose=1.1 pyparsing=1.5 pip flake8==2.3 six==1.9.0 pep8==1.6.2 pyflakes==0.8.1; fi
+  - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then conda create --yes -q -n pyenv mkl python=2.6 numpy=1.7.0 scipy=0.11 nose=1.1 pyparsing=1.5 pip flake8==2.3 six==1.9.0 pep8==1.6.2 pyflakes==0.8.1; fi
   - if [[ $TRAVIS_PYTHON_VERSION == '3.3' ]]; then conda create --yes -q -n pyenv mkl python=3.3 numpy=1.9.1 scipy=0.14.0 nose=1.3.4 pyparsing=1.5 pip flake8==2.3 six==1.9.0 pep8==1.6.2 pyflakes==0.8.1; fi
   - source activate pyenv
   - if [[ $TRAVIS_PYTHON_VERSION == '2.6' ]]; then pip install pydot; fi

doc/install.txt

@@ -33,7 +33,7 @@ instructions below for detailed installation steps):
         g++ >= 4.2 (for openmp that is currently always used)
         more recent version recommended!
 
-    `NumPy <http://numpy.scipy.org/>`_ >= 1.6.2
+    `NumPy <http://numpy.scipy.org/>`_ >= 1.7.0
         Earlier versions could work, but we don't test it.
 
     `SciPy <http://scipy.org>`_ >= 0.11

setup.py

@@ -161,7 +161,7 @@ def do_setup():
           license=LICENSE,
           platforms=PLATFORMS,
           packages=find_packages(),
-          install_requires=['numpy>=1.6.2', 'scipy>=0.11', 'six>=1.9.0'],
+          install_requires=['numpy>=1.7.0', 'scipy>=0.11', 'six>=1.9.0'],
           package_data={
               '': ['*.txt', '*.rst', '*.cu', '*.cuh', '*.c', '*.sh', '*.pkl',
                    '*.h', '*.cpp', 'ChangeLog'],