Install the project packages in travis builds

Author: Darren Weber

.travis.yml

@@ -19,6 +19,7 @@ matrix:
 
 install:
     - pip install -U setuptools
+    - pip install -e .
     - if [[ -v EXTRA ]]; then pip install pipdeptree; fi
     - if ! [[ -v EXTRA ]]; then pip install -r requirements-dev.txt; fi
     - pip install codecov