Add Finnish dictionary.

Source https://svn.kapsi.fi/ave/android/finnish_dictionary/tools/
This is the same dictionary as the Scandinavian Keyboard's Finnish dictionary plugin.
Thanks to Tero Auvinen for all the info.

Change-Id: Ia389ee0a2ce0fd3dc97f61d9d0623b123b5e2199
Merge "Add Finnish dictionary." into gingerbread