Back to Concurix fork of ddb (updated for otp17)
Use master branch of epgsql/epgsql.

Conflicts:

	rebar.config
Deal with 'undefined' as a Value. Fixes https://github.com/ChicagoBoss/boss_db/issues/177
Normalize indentation in rebar.config
Add test to .PHONY
Add missing .git in rebar.config
Move prop_runner to src so it can be used by deps
Lock rebar.config to some static commits

in preparation of release