Remove Travis CI for the time being

.travis.yml

-# After changing this file, run it through http://lint.travis-ci.org/
-# Generates 4 builds, the ones for python3 will install external wheels
-language: python
-python:
-  - 2.6
-  - 2.7
-matrix:
-  include:
-    - python: 3.2
-      env:
-        - NUMPYSPEC===1.7.1
-    - python: 3.3
-      env:
-        - NUMPYSPEC===1.8.0
-before_install:
-  - sudo add-apt-repository -y ppa:biometrics/bob
-  - sudo apt-get update -qq
-  - sudo apt-get install -qq --force-yes bob-dev
-  - if [ -n "${NUMPYSPEC}" ]; then sudo apt-get install -qq libatlas-dev libatlas-base-dev liblapack-dev gfortran; fi
-  - if [ -n "${NUMPYSPEC}" ]; then pip install --upgrade pip setuptools; fi
-  - if [ -n "${NUMPYSPEC}" ]; then pip install --find-links http://wheels.astropy.org/ --find-links http://wheels2.astropy.org/ --use-wheel numpy$NUMPYSPEC sphinx nose; fi
-  - pip install coveralls
-install:
-  - "python bootstrap.py"
-  - "./bin/buildout"
-script:
-  - "./bin/python -c 'from xbob.learn.mlp import get_config; print(get_config())'"
-  - "./bin/coverage run --source=xbob.learn.mlp ./bin/nosetests -sv"
-  - "./bin/sphinx-build -b doctest doc sphinx"
-  - "./bin/sphinx-build -b html doc sphinx"
-after_success:
-  - "coveralls"