[git] Converted benchmark files from PR #1977 to lfs.

Tests/lfs-data/Elliptic/circle_radius_1/circle_1_axi.gml

Tests/lfs-data/Elliptic/circle_radius_1/circle_1e1_axi.prj

Tests/lfs-data/Elliptic/circle_radius_1/circle_1e2_axi.prj

Tests/lfs-data/Elliptic/circle_radius_1/circle_1e3_axi.prj

Tests/lfs-data/Elliptic/circle_radius_1/circle_1e4_axi.prj

Tests/lfs-data/Elliptic/circle_radius_1/circle_1e5_axi.prj

Tests/lfs-data/Elliptic/circle_radius_1/circle_1e6_axi.prj

Tests/lfs-data/Elliptic/circle_radius_1/line_1_lines_1e1.vtu

...ta/Elliptic/circle_radius_1/line_1_lines_1e1_expected.vtu

Tests/lfs-data/Elliptic/circle_radius_1/line_1_lines_1e2.vtu

...ta/Elliptic/circle_radius_1/line_1_lines_1e2_expected.vtu

Tests/lfs-data/Elliptic/circle_radius_1/line_1_lines_1e3.vtu

...ta/Elliptic/circle_radius_1/line_1_lines_1e3_expected.vtu

Tests/lfs-data/Elliptic/circle_radius_1/line_1_lines_1e4.vtu

...ta/Elliptic/circle_radius_1/line_1_lines_1e4_expected.vtu

Tests/lfs-data/Elliptic/circle_radius_1/line_1_lines_1e5.vtu

...ta/Elliptic/circle_radius_1/line_1_lines_1e5_expected.vtu

Tests/lfs-data/Elliptic/circle_radius_1/line_1_lines_1e6.vtu

...ta/Elliptic/circle_radius_1/line_1_lines_1e6_expected.vtu

...are_1x1_GroundWaterFlow/square_1e6_with_nodal_sources.prj