Changed Ubuntu version

Author: mmasdeu

.travis.yml

@@ -9,18 +9,18 @@ matrix:
   - env: CACHE_NAME=older SAGE_SERVER=http://mirrors.xmission.com/sage/linux/64bit/ SAGE_AGE=1
 
 install:
-- ./.travis-install.sh
+- "./.travis-install.sh"
 script:
-- ./.travis-test.sh
+- "./.travis-test.sh"
 cache:
   directories:
-  - $HOME/SageMath
-  - $HOME/.cache/matplotlib
+  - "$HOME/SageMath"
+  - "$HOME/.cache/matplotlib"
   timeout: 1000
 before_cache:
 - rm -Rf $HOME/SageMath/logs $HOME/SageMath/.BUILDSTART
 after_success:
-- ./.travis-deploy-doc.sh
+- "./.travis-deploy-doc.sh"
 before_script:
 - openssl aes-256-cbc -K  $encrypted_2f33c728c8dc_key -iv $encrypted_2f33c728c8dc_iv
   -in .travis_ci_gh_pages_deploy_key.enc -out .travis_ci_gh_pages_deploy_key -d || true

setup.py

@@ -9,7 +9,7 @@
 from distutils.command import build as build_module
 
 # Obtain the different Sage versions
-def get_all_version_names(mirror_url, idx = None, distribution = 'Ubuntu_14.04-x86_64'):
+def get_all_version_names(mirror_url, idx = None, distribution = 'Ubuntu_12.04-x86_64'):
     if idx is None:
         idx = 0
     else: