* prevented crashing when database indexes are missing, they are now permanent instead of being created on-the-fly when loading a dictionary
* code style fixes in DictionaryDb.java
* removed some unused code
* counting the dictionaries to be loaded is no longer responsibility of the Load Button, but of the DictionaryLoader
* delete dictionary buttons are now being locked while deleting is in progress; also, a status message is displayed for better UX
* updated translations and documentation
All categories are now on separate screens
Added a 'Clear Unselected' dictionary option
The 'auto space' setting is now on by default
Reorganized the emoji and added 4 new ones
* readjusted the font size of the suggestions and on the Settings screen
* moved the keypad shortcuts to a separate screen
* added bold+italic visual hint when fuzzy word filtering is on
* updated documentation
* 0-key now types special/math characters. All characters normally avaialable on a computer keyboard are available now
* Predictive Mode: Added many new emoji
* updated user manual
* Fixed the new line being invisible in the suggestions list
* Predictive Mode: punctuation list on 1-key has no priorities and remains static all the time
* Added 'automatic space' setting
* Added 'auto capitalization' setting
* Added missing translations
* Unsupported emoji are no longer displayed
* Code cleanup and speed optimizations
* Fixed incorrect suggestion filter values, that would cause broken emoji
* proper error messages are displayed when dictionary loading fails or is cancelled
* debounced the clicking on ItemClickable to avoid weird side effects, caused by faulty devices, sending multiple click events
* a couple of French translations on the Settings screen
* fixed Settings screen blinking in some cases
* fixed default hotkey value cannot be 'no key'
* fixed SuggestionsView having the incorrect theme forced at startup
* Settings screen is now based on the Android SharedPreferences
* Added function key configuration on the Settings screen
* Added a setting for toggling the on-screen buttons
* Added a dark/light theme setting
* Improved translations
* Fixed a problem with launching the Settings screen directly from the Android settings
* Fixed ignoring keys not actually ignoring them properly
