sbt/sbt — pull request #1746 by j-keck (2014-11-24 07:28:44+00:00)
Title: ignore hidden build files from the build.

sbt processes also hidden build files, which can be problematic:

https://groups.google.com/forum/#!topic/sbt-dev/MpaSiCcAHO4

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this patch filters hidden build files when the project are loaded (in Load.discoverProjects)