Moved Tests/lfs-data to Tests/Data.

...lliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_4e4.vtu

...lliptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_hex_5e4.vtu

...iptic/cube_1x1x1_GroundWaterFlow/cube_1x1x1_prism_2e3.vtu

...GroundWaterFlow/cube_1x1x1_prism_2e3_complete_surface.vtu

...GroundWaterFlow/cube_2e3_prism_surfaceflux_front_back.prj

...GroundWaterFlow/cube_2e3_prism_surfaceflux_left_right.prj

...GroundWaterFlow/cube_2e3_prism_surfaceflux_top_bottom.prj

Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e4.prj

.../Elliptic/cube_1x1x1_GroundWaterFlow/cube_2e4_neumann.prj

Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_3e4.prj

.../Elliptic/cube_1x1x1_GroundWaterFlow/cube_3e4_neumann.prj

Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_4e4.prj

.../Elliptic/cube_1x1x1_GroundWaterFlow/cube_4e4_neumann.prj

Tests/Data/Elliptic/cube_1x1x1_GroundWaterFlow/cube_5e4.prj

.../Elliptic/cube_1x1x1_GroundWaterFlow/cube_5e4_neumann.prj

Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1.gml

.../Data/Elliptic/line_1_GroundWaterFlow/line_1_line_1e1.vtu

...ptic/line_1_GroundWaterFlow/line_1_time_dep_dirichlet.vtu

Tests/Data/Elliptic/line_1_GroundWaterFlow/line_1e1.prj

...Data/Elliptic/line_1_GroundWaterFlow/line_1e1_neumann.prj