add latest buildingsync paper

[coveralls]

Pull Request Test Coverage Report for Build 994280720

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.001%) to 43.34%

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Files with Coverage Reduction	New Missed Lines	%
.tox/python/lib/python3.6/site-packages/django/db/models/sql/query.py	1	50.62%
<!--	Total:	1		-->

Totals
Change from base Build 972157224:	-0.001%
Covered Lines:	36644
Relevant Lines:	84551

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💛 - Coveralls