removed unnecessary signals
corrected combo box binding
supported moving timeline by dragging, selecting keyframes by holding
fixed a bug of handling english label names in pmd2::Label
fixed a bug that cannot read english names in pmd
assign name of morph category label in pmd
handle name of label same as (Bone|Morph)RefObject
fixed type conversion error
use bindings
added changing language dynamically
skip IMorph::kBase at reading PMD english name
remove unnecessary signals
more MaterialRefObject properties, implemented label UI