KeyingSets: First working prototype

To use KeyingSets, simply Outliner-select items in the Datablocks view and press K to add to the active KeyingSet. Then keyframes can be inserted by choosing the 'Active Keying Set' option when inserting keyframes.

Important notes on the current implementation:
* Only properties directly inside some ID-block that is close to the root (i.e. main -> objects -> "someobj" -> location, or main -> materials -> "somemat" -> colour) can be accessed for now, as I haven't got the code for building the inner-parts of the paths working yet. Help on getting this working is welcome (hint to Brecht).  
* Properties that can be safely included include simple properties "object -> Dupli Verts", entire arrays "object -> Location" or individual array elements "object -> Location -> y"

---

Also added typo fix for KeyingSet freeing. It was freeing the KeyingSet instead of it's paths.

1 files changed, 1 insertions, 1 deletions

diff --git a/source/blender/blenkernel/intern/anim_sys.c b/source/blender/blenkernel/intern/anim_sys.c
index 55597b635c9..098d0ad7a32 100644
--- a/source/blender/blenkernel/intern/anim_sys.c
+++ b/source/blender/blenkernel/intern/anim_sys.c
@@ -248,7 +248,7 @@ void BKE_keyingset_free (KeyingSet *ks)
 		MEM_freeN(ksp->rna_path);
 		
 		/* free path itself */
-		BLI_freelinkN(&ks->paths, ks);
+		BLI_freelinkN(&ks->paths, ksp);
 	}
 }