Aioriak

Deprecated:
- Using bytes in link initialization PR 73

Add:

- Quorum and timeout arguments into base operations.

Fix:

- Sphinx Documentation

Fix:

- PyPi information and README

Add:

- Python 3.6 support

Update:

- riak requirement to 2.7.0

Remove:

- python3-riak-pb requirement

Fix:
- readthedocs doc building process

Add:

- Initial MapReduce support
- initial Secondary Indexes 2i
- Add hostlist initial support