[UE-9334] Fix for crash that occured when working with anim blueprints and the old menuing system. Origin was 2340250
[CL 2448569 by Matthew Griffin in Main branch]
. Slots now belong to a Group. One montage can play at a time per group.
. Removed old Slot and Group name lists and created new Anim Slot Manager. Add, Create Slots and Groups, assign Slots to groups and save changes.
. New Montage assets and Slot nodes default to a valid 'DefaultSlot' so they are functional when created. (Eliminates common mistake of empty slot names).
. Montage tracks and slot nodes picks slots from a combo box of valid entries, no more typing name by hand.
. Montage tracks will warn if not setup properly (different groups used, same slot used multiple times).
#codereview lina.halper
[CL 2340250 by Laurent Delayen in Main branch]
- added customizeProperty option for anim node properties, so that you can customize
- slot node is customized so that you can add slot/group name as well as you can go to manage section
- skeleton now stores list of slot/group names available
#code reivew: Laurent.Delayen, Michael.Noland
[CL 2075622 by Lina Halper in Main branch]
#proj core
#branch UE4
#summary Removed header groups, removed some redundant includes and replaced with forward declarations. Fixed compilation errors.
[CL 2055361 by Mikolaj Sieluzycki in Main branch]
#add Added UEdGraphNode::GetNodeNativeTitle to return a native title for a node.
#add Added UEdGraphNode::GetNodeSearchTitle to return the native and localized title for a node, together, for searching.
#add Can hold "alt" over a node (in the graph panel, or the palette) to see the native name of the node.
#ttp 331252 - Blueprints: Editor: L10N: Blueprints need to consistently show localized node names and when searching need to search both the localized name and the native name
#codereview justin.sargent
[CL 2044506 by Michael Schoell in Main branch]
