use lsstdesc/stack-sims docker image; set imSim directory so that cov…

…eralls can find coverage info

.travis.yml

@@ -17,12 +17,12 @@ install:
   - echo 'DOCKER_OPTS="-H tcp://127.0.0.1:2375 -H unix:///var/run/docker.sock -s devicemapper"' | sudo tee /etc/default/docker > /dev/null
   - sudo service docker restart
   - sleep 5
-  - sudo docker pull heather999/test:version4.0test
+  - sudo docker pull lsstdesc/stack-sims:w_2018_03-sims_2_5_0
   - pip install coveralls
 
 script:
   - sudo chown -R 1000:1000 .
-  - docker run -v `pwd`:/home/imSim heather999/test:version4.0test /home/imSim/travis_test.sh
+  - docker run -v `pwd`:/home/travis/imSim lsstdesc/stack-sims:w_2018_03-sims_2_5_0 /home/travis/imSim/travis_test.sh
 
 after_success:
   - coveralls

travis_test.sh

@@ -1,11 +1,12 @@
 #!/bin/bash
-source /opt/lsst/software/stack/loadLSST.bash
+source scl_source enable devtoolset-6
+source loadLSST.bash
 setup lsst_sims
 pip install nose
 pip install coveralls
 pip install pylint
-eups declare imsim -r /home/imSim -t current
+eups declare imsim -r /home/travis/imSim -t current
 setup imsim
-cd /home/imSim
+cd /home/travis/imSim
 scons
 nosetests -s --with-coverage --cover-package=desc.imsim