Merge pull request #41 from jklenzing/patch-1

TST: use pysat develop in travis

Author: rstoneback

.travis.yml

@@ -46,7 +46,18 @@ before_install:
   # set up data directory
   - mkdir /home/travis/build/pysatData
   - pip install apexpy
-  - pip install pysat
+  
+  # Prepare modified pysat install
+  - cd ..
+  - echo 'cloning pysat'
+  - git clone https://github.com/pysat/pysat.git >/dev/null
+  - echo 'installing pysat'
+  - cd ./pysat
+  # install pysat
+  - git checkout develop
+  - python setup.py install >/dev/null
+  - cd ../OMMBV
+
 install:
   # install OMMBV
   - python setup.py develop