Updates due to gdal failures on travis (#69)

* Updates due to gdal failures on travis

* typo

* updates to try and get channels sorted

.travis.yml

@@ -35,12 +35,9 @@ before_install:
   - python -c "import fcntl; fcntl.fcntl(1, fcntl.F_SETFL, 0)"
 
 install:
-  - conda config --add channels conda-forge 
   - conda config --add channels usgs-astrogeology
-  - conda install -c conda-forge libgdal gdal numpy pyproj h5py pvl scipy protobuf affine jinja2 networkx pandas sqlalchemy pyyaml
-  - conda install -c usgs-astrogeology usgscam
-  # Development installation
-  - conda install -q pytest pytest-cov sh coveralls nbsphinx
+  - conda config --add channels conda-forge 
+  - conda install libgdal gdal numpy pyproj h5py pvl scipy protobuf affine jinja2 networkx pandas sqlalchemy pyyaml ncurses usgscam pytest pytest-cov sh coveralls nbsphinx
 
 script:
   - pytest --cov=plio