travis_retry custom function

Author: Shoshana Berleant

.travis.yml

@@ -10,7 +10,8 @@ env:
 - INSTALL_DEB_DEPENDECIES=false
 - INSTALL_DEB_DEPENDECIES=true DUECREDIT_ENABLE=yes
 before_install:
-- travis_retry bleh
+- function download {bleh}
+- travis_retry download
 - wget http://repo.continuum.io/miniconda/Miniconda${TRAVIS_PYTHON_VERSION:0:1}-latest-Linux-x86_64.sh
   -O /home/travis/.cache/miniconda.sh
 - bash /home/travis/.cache/miniconda.sh -b -p /home/travis/miniconda