Rewrote "emptying" contents of many items

Implemented emptying plant cure
Rewrote DFS handler
Corrected DFS max hit to be 25 instead of 26
Corrected DFS attack cooldown to be 2 mintues instead of 30 secs
Implemented the animation when emptying charges from the DFS
Implemented a server config (better_dfs) to preserve previous functionality (enabled by default)

Server/worldprops/default.conf

@@ -93,6 +93,8 @@ revenant_population = 30
 i_want_to_cheat = false
 #better agility pyramid gp reward (gp reward = 1000 + ((agility level / 99) * 9000))
 better_agility_pyramid_gp = true
+#better dragonfire shield attack (30 second cooldown instead of 2 minutes)
+better_dfs = true
 
 [paths]
 #path to the data folder, which contains the cache subfolder and such