Add fedora spec and support files

[PrzemoF]

That will allow automatic fedora builds using COPR

Signed-off-by: Przemo Firszt przemo@firszt.eu

Thank you for creating a pull request to contribute to FreeCAD! To ease integration, please confirm the following:

• Branch rebased on latest master git pull --rebase upstream master
• [N/A] Unit tests confirmed to pass by running ./bin/FreeCAD --run-test 0
• Commit message is well-written
• [N/A] Commit message includes issue #<id> or fixes #<id> where <id> is the associated MantisBT issue id if one exists

And please remember to update the Wiki with the features added or changed once this PR is merged.

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[PrzemoF]

The travis-ci partially fails, but it has nothing to do with my PR

[luzpaz]

Yea, it's been failing for a few weeks now. I think wmayer pinged the forum about it recently hoping to get some mac guru help

[wwmayer]

Merged.