BackpackedChests

Changes: - Removed action bar message "transferring container...". - Now, all plugin-produced action-bar messages (right now it is only extra-weight-damage message) can be enabled/disabled. Once they disabled, they will be redirected to player chat-messages. - Fixed player armor swap glitch with backpack. - Now, backpack visualization will be force-removed if player's backpack just disappeared somehow. - Fixed container inventory weight calculations. - Now, you can set weight-speed penalty. - Added more properties to plugin's config. Possible future improvements: - I've tried to make my plugin depend on kotlin-stdlib plugin ( https://www.spigotmc.org/resources/kotlin-stdlib.80808/) to reduce my plugin file size. However, its current version 1.9.10 is not compatible with my used kotlin-stdlib version, which is 1.9.21. Once their plugin will be updated and compatible with my plugin, I will make an update for my plugin with reduced file size (excluded Kotlin dependencies). - Feature: container's health points - containers will get their own health points, explosions will "damage" containers by reducing their health points; thus, if the health points reach zero, they will break and their contents will be dropped.