Refactoring: Resource property keys constant file created.
TrimSprites property string exchanged with constant in project.
Refactoring: Format sound for iOS and Android property string exchanged with constant in project.
Refactoring: Sound related resource property key string literals exchanged with constants.
Refactoring: Image related resource property key string literals exchanged with constants.
Refactoring: "tabletScale" and "scaleFrom" property key string literals exchanged with constants.
Refactoring: "ppng" string literal for preview file suffixes replaced with constant.
Refactoring: "isSmartSheet" and "keepSpritesUntrimmed" property key string literals exchanged with constants.
Refactoring: Resolution string literals exchanged with constants.