move encountertype datasource providing to core
fix rerolling EC not updating characteristic
remove some repeat logic calls
relocate geolocation name fetch to separate class, add tests to ensure
functionality, add languageID->country/region fetch method
reduce pk3/ck3/xk3 logic, share AbilityBit property within _K3, and when
loading, type check (favored over hardcoding individual load cases)
pull some non-gui code from PKMEditor to core/etc for general data
fetching
Closes#2004
no changes had been submitted since originally committed on 3/5/2015; 3y
of inactivity.
users can always place "lang_en" to replace the english translation with
their own GUI strings; not worth maintaining non-series language
support.
