Allow us to change input bindings on controller.

Flasks are bound next to map button causing you to accidentally open minimap everytime you roll your fingers across the dpad to hit flasks. Strongboxes have a use currency option that overlaps with one of four skill slots, disabling whatever skill you have in this slot while you are near an unopened strongbox, since you will open a menu to use currency instead of use your skill. Both of these could be solved by allowing us to change the mappings of these keys to seperate buttons. They could also be solved by choosing a better default mapping for said keys. For example strongbox currency could be R3, since most people wont be trying to remap their skills while on top of a strongbox, this mapping would be much less of a hindrance on the player than using one of 4 skill keys.