fix miniconda link

Author: oesteban

.travis.yml

@@ -25,9 +25,9 @@ before_install:
     export FSLOUTPUTTYPE=NIFTI_GZ; fi }
 - function conda_inst {
   export CONDA_HOME=$HOME/conda &&
-  wget https://repo.continuum.io/archive/Miniconda${TRAVIS_PYTHON_VERSION:0:1}-latest-Linux-x86_64.sh
+  wget https://repo.continuum.io/miniconda/Miniconda${TRAVIS_PYTHON_VERSION:0:1}-latest-Linux-x86_64.sh
     -O /home/travis/.cache/conda.sh &&
-  bash /home/travis/.cache/conda.sh -b -p ${CONDA_HOME} &&
+  bash /home/travis/.cache/conda.sh -b -p ${CONDA_HOME}   &&
   export PATH=${CONDA_HOME}/bin:$PATH &&
   hash -r &&
   conda config --set always_yes yes --set changeps1 no &&