Also installs numpy explicetly

.travis.yml

@@ -5,15 +5,19 @@ matrix:
   include:
     - python: 2.6
       env:
+        - NUMPYSPEC===1.6.2
         - SCIPYSPEC===0.12.0
     - python: 2.7
       env:
+        - NUMPYSPEC===1.6.2
         - SCIPYSPEC===0.12.0
     - python: 3.2
       env:
+        - NUMPYSPEC===1.7.1
         - SCIPYSPEC===0.13.1
     - python: 3.3
       env:
+        - NUMPYSPEC===1.8.0
         - SCIPYSPEC===0.13.1
 before_install:
   - sudo add-apt-repository -y ppa:biometrics/bob
@@ -21,7 +25,7 @@ before_install:
   - sudo apt-get install -qq bob-dev
   - sudo apt-get install -qq libatlas-dev libatlas-base-dev liblapack-dev gfortran
   - pip install --upgrade pip setuptools
-  - pip install --find-links http://wheels.astropy.org/ --find-links http://wheels2.astropy.org/ --use-wheel scipy$SCIPYSPEC sphinx nose
+  - pip install --find-links http://wheels.astropy.org/ --find-links http://wheels2.astropy.org/ --use-wheel numpy$NUMPYSPEC scipy$SCIPYSPEC sphinx nose
 install:
   - "python bootstrap.py"
   - "./bin/buildout"