Simplified FindEigen3.cmake.

Will find Eigen correctly on envinf1

Fixes #1073.

[Travis] Added second script testing with git diff --check

[GL] Changes in GeoLib needed for GeoMapper Refactorization.

Removed CLion project settings

[Jenkins] Discard old builds in pipeline jobs.

Fixed missing include on Mac OS (Clang)

See http://stackoverflow.com/questions/35370810

Fixes mac packaging

This reverts commit 92ddf99e.

Tabs to whitespaces