Blender Git Loki

Lineart: Fix memory leak in lineart_ops.c (Early return caused memory in list not freed).

Lineart: Fixed uninitialized variables.

WIP bake buttons

Buggy and naming and settings needs to change probably.
See TODOs in the code

Cleanup: Remove duplicate definition

Cleanup more unused variables and functions

Cleanup various lineart files, add FIXME comments.

Fix build issues.

Merge branch 'master' into temp-lineart-contained

Merge branch 'master' into temp-lineart-contained

Merge branch 'master' into temp-lineart-contained

Fix building with and without WITH_LINEART

Merge branch 'lanpr-under-gp' into temp-lineart-contained

Merge remote-tracking branch 'origin/master' into lanpr-under-gp

Merge branch 'lanpr-under-gp' into temp-lineart-contained

LineArt: Proper Use of BMesh operator to remove doubles.

LineArt: Complete UI in the modifier.

Merge remote-tracking branch 'origin/lanpr-under-gp' into temp-lineart-contained

# Conflicts:
# extern/ceres/README.blender
# release/scripts/startup/bl_ui/space_userpref.py
# source/blender/blenkernel/BKE_gpencil_curve.h
# source/blender/blenkernel/BKE_gpencil_geom.h
# source/blender/blenkernel/BKE_layer.h
# source/blender/blenkernel/BKE_screen.h
# source/blender/blenkernel/intern/gpencil_curve.c
# source/blender/blenkernel/intern/layer_utils.c
# source/blender/blenloader/intern/versioning_290.c
# source/blender/draw/engines/overlay/shaders/edit_curve_point_vert.glsl
# source/blender/draw/engines/overlay/shaders/wireframe_vert.glsl
# source/blender/editors/gpencil/annotate_paint.c
# source/blender/editors/gpencil/gpencil_convert.c
# source/blender/editors/gpencil/gpencil_edit.c
# source/blender/editors/gpencil/gpencil_intern.h
# source/blender/editors/gpencil/gpencil_interpolate.c
# source/blender/editors/gpencil/gpencil_merge.c
# source/blender/editors/gpencil/gpencil_mesh.c
# source/blender/editors/gpencil/gpencil_paint.c
# source/blender/editors/gpencil/gpencil_select.c
# source/blender/editors/gpencil/gpencil_trace_ops.c
# source/blender/editors/gpencil/gpencil_utils.c
# source/blender/editors/interface/interface_panel.c
# source/blender/editors/physics/physics_pointcache.c
# source/blender/editors/space_buttons/buttons_context.c
# source/blender/editors/space_outliner/space_outliner.c
# source/blender/editors/space_view3d/view3d_placement.c
# source/blender/makesdna/DNA_userdef_types.h
# source/blender/makesrna/intern/rna_scene.c
# source/blender/makesrna/intern/rna_space.c
# source/blender/python/gpu/gpu_py_shader.c

LineArt: Merge changes

Merge remote-tracking branch 'origin/master' into lanpr-under-gp

# Conflicts:
# release/datafiles/locale
# release/scripts/addons
# release/scripts/addons_contrib
# source/blender/blenloader/intern/versioning_290.c
# source/blender/makesdna/DNA_brush_types.h
# source/blender/makesdna/DNA_gpencil_modifier_types.h
# source/blender/makesrna/intern/rna_scene.c
# source/tools

LineArt: Ris for New APIs