Loic Blot b3aeba684b Unit tests must be done at integration process.
* Remove --enable-unittests and --disable-unittests and add --do-unittests function
* --do-unittests function will exit 0 on success.
* minetest and minetestserver binaries are launched with --do-unittests in travis build.
2015-02-21 11:04:19 +01:00
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