EXP-1354 : Fixed. Toolbars now saved whenever changing their config and only if initialized correctly.

EXP-1416 FIXED "Speak" and "Voice controls" buttons added as control views in LLTransientFloaterMgr to prevent hiding the transient IM floater.

* Made the avatar pickers and destinations guide properly stack and position
  themselves.

Reviewed by Richard.

Reviewed by Merov.

  would remove them from the surrounding toolbars.
* Removed dead drag & drop code
* Fixed issue where saving didn't necessarily work because toolbar populated
  with command id's that didn't have associated names.

EXP-1348 FIX -- Speak button activated when dragging and dropping between toolbars and moving back to Tool box

* Dragging and dropping the speak button will aggressively turn off the
  microphone now, regardless of the initial state of the button.

Reviewed by Richard.

EXP-1331 : Implement new longer caret and make it work on multi lines or columns of tools. EXP-1304 : handle only tools in DaD on toolbars

  (currently it is not connect to actual data)

Ctrl+Shift+U now toggles UI and hides floaters
refactored main_view.xml
made all members of llviewerwindow private

EXP-1300 : Fix caret position in bottom bar, fix misplacement when moving within same toolbar, suppress visible caret in some situations, no caret if toolbar empty

EXP-1300 : Implemented carets for DaD. Works with small bugs but OK for demo. Still in need of some cleanup

EXP-1300 : drop tool animation. First shot. Works but still a bit hacky and with some bugs (tools can be duplicated at times).

EXP-1286 : Clean-up the mess I added to llcommandmanager. All CommandId now have a trusted UUID which is the base for indexing and comparison.

EXP-1286 : DaD works between all toolbars, button drops in correct place, removal of button works too

EXP-1286 : First pass at Drag and Drop of tools. Not functional. Most hooks into the LLToolDragAndDrop system in to support the new AT_WIDGET and SOURCE_VIEWER

EXP-1205 PROGRESS -- As a User, I want a toybox which will contain all buttons that I can d&d into the toolbars
EXP-1268 FIX -- The "Restore Defaults" button should reset the left/right/bottom toolbars to their default states

* LLToolBarView::loadDefaultToolbars now a static function
* Toybox button callback hooked up to properly restore defaults

Reviewed by Merov

EXP-1211, EXP-1257 : Save and load the button type along with the toolbars, add a force default load option, enforce consistency between menus and toolbars

EXP-1257 : Implemented loading of toolbar settings per user account. Also factorize a bit and clean up the related saveToolbars code.

deprecated pointless LLView::deleteViewByHandle

EXP-1205 PROGRESS -- As a User, I want a toybox which will contain all buttons that I can d&d into the toolbars

* Command buttons are now enabled/disabled in toybox based on whether or not the
  LLToolBarView has them anywhere.
* Commands now have argument to specify whether or not they should be in the
  toybox.
* LLCommandId is now used a universal reference for commands.

Reviewed by Richard.

toolbars resize to fit buttons
toolbar view uses layout stacks to organize toolbars
reviewed by Leslie

EXP-1207 : Display toolbars only after login, use correct position (temporary), follow resize correctly, store pointers to toolbars, debug display (temporary)