Switch back to hunspell from enchant.
Move global settings for dictionaries into dictionary manager.
Move all spellchecking code into DictionaryData class.
Rename Dictionary to DictionaryRef.
Add abstract base class for dictionaries.
Share DictionaryRef on all platforms.
Rename dictionary classes.
Add dictionary provider classes.
Use dictionary provider to fetch dictionary.
Share DictionaryManager on all platforms.
Merge source files of dictionaries and providers.
Add global dictionary settings to dictionary providers.
Hide implementations of dictionaries.
FIXED: Documents were not rechecked after changing settings.
Check dictionary validity on creation.
Add fallback dictionary to DictionaryRef.
Check provider validity on creation.
Add voikko dictionary provider.
Group spellchecking files together.