Update version 0.8.14 -> 0.8.15

New Features
------------
* New sample set and binary quadratic model serialization (version 3.0.0)
* Serialization of numpy objects in `SampleSet.info` and `BinaryQuadraticModel.info`

Deprecated
----------
* Sample set serialization version 2.0.0
* Binary quadratic model serialization version 2.0.0

dimod/package_info.py

@@ -14,7 +14,7 @@
 #
 # ================================================================================================
 
-__version__ = '0.8.14'
+__version__ = '0.8.15'
 __author__ = 'D-Wave Systems Inc.'
 __authoremail__ = 'acondello@dwavesys.com'
 __description__ = 'A shared API for binary quadratic model samplers.'