* add basic support for modifier keys
* add long press functions to more toolbar keys
* and more clipboard history toolbar keys
* make clipboard history toolbar customizable
* allow customizing all colors
* add setting to always show word to be enterd as middle suggestion
* add caps lock indicator
* add Piedmontese, Eastern Mari, Mansi, extended layouts for Kannada and Hungarian
* fix cut off text in key preview popup on some devices
* further fixes and improvements, see release notes
