change layout (toggle_off_image.png fileは仮の画像)
Create 8 thread for emoji download.
Delete download notify.
Create skelton class of EmojiLoader::EventListener.
Restruct EmojiLoader.
Call file download event.
Merge branch 'emoji-loader' into layout
Output log.
Create temporary package for refactoring.
Create skelton of new library.
Create PathGenerator.
Add debug log.
Restructure class of EmojiLoader.
Optimized.
Restructure class of EmojiDataManager.
Create class of TextConverter.
Create JsonParam.
Update downloader for new style, and implements emoji update by checksum.
Add debug code.
Remove trush.