More Radical Trainers: BW

(Beta version of 1.6, might have some bugs. Let me know on the Discord if something doesn't work properly.)

Updated the pack to work with the latest 0.14 version of the RCT Mod; Organized the trainers into series, which are as follows:

- Hoenn Gym Challenge - Sinnoh Gym Challenge - Unova Gym Challenge - Kalos Gym Challenge - Team Magma - Team Aqua - Pokemon Adventures

Added the Hoenn and Kalos League trainers (Elite Four+Champion) as unlockable series after clearing the respective Gym Challenges:

- Hoenn League - Kalos League

Added icons to Advancements. Added Trainer Types.