Blender Git Loki

Graph Editor: Visibility toggles

F-Curves can now be hidden/shown in the Graph Editor in one of 3 ways:
* Specialised VKEY toggle hotkey, which alters the visibility of all selected F-Curves
* The setting toggle operators (Shift-W, Alt-W, Ctrl-Shift-W)
* Checkmark (*1) boxes in front of names of F-Curves

This allows irrelevant curves to be hidden from the keyframes area only if you want them hidden. By default, all curves are visible. Also note that a separate hotkey is used now for toggling visibility (VKEY) instead of lumping it under select-all (AKEY) as in the past, which was a major cause of confusion.

Notes:
1) I've used the ICON_BLANK011 and ICON_BLANK012 icons, which in the current icon set are two states for a checkbox type thing. These defines should probably get renamed sometime, but I'll leave that up to Matt.