Added missing blitz library to Travis build

.travis.yml

@@ -20,12 +20,10 @@ matrix:
 before_install:
 - sudo add-apt-repository -y ppa:biometrics/bob
 - sudo apt-get update -qq
-- sudo apt-get install -qq --force-yes libboost-all-dev libatlas-dev libatlas-base-dev liblapack-dev gfortran
+- sudo apt-get install -qq --force-yes libboost-all-dev llibblitz1-dev ibatlas-dev libatlas-base-dev liblapack-dev gfortran
 - pip install --upgrade pip setuptools
-- if [ -n "${NUMPYSPEC}" ]; then pip install --find-links http://wheels.astropy.org/
-  --find-links http://wheels2.astropy.org/ --use-wheel numpy$NUMPYSPEC; fi
-- pip install --find-links http://wheels.astropy.org/ --find-links http://wheels2.astropy.org/
-  --use-wheel scipy$SCIPYSPEC sphinx nose
+- if [ -n "${NUMPYSPEC}" ]; then pip install --find-links http://wheels.astropy.org/ --find-links http://wheels2.astropy.org/ --use-wheel numpy$NUMPYSPEC; fi
+- pip install --find-links http://wheels.astropy.org/ --find-links http://wheels2.astropy.org/ --use-wheel scipy$SCIPYSPEC sphinx nose
 - pip install cpp-coveralls
 install:
 - python bootstrap.py