Merge pull request #101 from mgxd/rf/package

[WIP] RF into python package

Author: yarikoptic

.coveragerc

@@ -1,4 +1,4 @@
 [run]
 include = tests/*
-          bin/*
+          heudiconv/*
           setup.py

.travis.yml

@@ -27,6 +27,7 @@ before_install:
   - source venv/bin/activate
   - python --version # just to check
   - pip install -r dev-requirements.txt
+  - pip install requests # below installs pyld but that assumes we have requests already
   - pip install datalad
   - pip install codecov pytest