Discon

- [Changed] Use miniconda2 if CONDA_PYTHON_VERSION is set to 2.7
- [Added] Noarch build conda in meta.yaml
- [Added] Travis matrix configuration for osx and linux
- [Fixed] Test file name

- [added] README.md generated with badges

- [added] markers used
- [added] config to skip interactive and slow tests
- [added] sample test with pytest

- [changed] requre python 3
- [added] interactive mode

= 1.*

- print version number
- raise exception on error in subprocess