adjust displaying of vertical label.
add param linespace.
change fromJSON to extend.
Merge pull request #105 from omatoro/develop

LabelAreaクラスにて、行間を指定できるように変更
build
fix
fix
fix
fix
update gauge
fix
fix
fix
fix texture
fix
fix loading scene
Merge pull request #107 from phi-jp/feature/loading

fix loading
bug fix $safe of object
fix
fix clip