chevah/empirical — pull request #38 by adiroiban (2014-08-27 06:49:12+00:00)
Title: [#2373] Enforce unique ID across whole environment.

Problem
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We want the unique ID to be unique across any code... right now it is unique only inside the same factory.

Changes
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make unique id a singleton.
update to support Ubuntu 14.04
wrote an automated test.

How to test
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reviewers: @alibotean

check that change make sense.

thanks!