* convert EmojiPreference and EmojiCompatFont to Kotlin
* move preference related to to dedicated preference package
* update proguard-rules.pro
* reformat & add comment
* maintain disposable information in EmojiPreference instead of EmojiCompatFont
* Replace Picasso library with Glide library tuskyapp#1082
* Replace Picasso library with Glide library tuskyapp#1082
* Update load emoji with glide
* Update context used for Glide
* Removed unused import
* Replace deprecated SimpleTarget with CustomTarget
* Fix crash at the view image fragment, remove override image size
* Replace Single.create with Single.fromCallable
* View image fragment refactor
* Fix after merge
* Try to load cached image first and show progress view on failure
* Try to load cached image first and show progress view on failure