Update item_effects_5G.txt

Fix for Destiny Knot incorrect message
http://pokemon-online.eu/forums/showthread.php?19971-Mental-Herb-out-of-nowhere
Update item_effects_4G.txt
Porting Wiki Move Descriptions to Simulator

Porting from Wiki. A few moves had terrible descriptions, such as Fusion Bolt/Flare (They weren't even localized). Others were practically all flavor and no information. There was also about 7 variations of the way to type "Special Attack" (SpA, SP. ATT, Sp Atk, etc.).
Merge pull request #237 from Fuzzysqurl/patch-3

Porting Wiki Move Descriptions to Simulator
Merge pull request #236 from Fuzzysqurl/patch-2

Update item_effects_4G.txt
Merge pull request #235 from Fuzzysqurl/patch-1

Update item_effects_5G.txt
Possibility to change channel for DOS notifications

Maybe it should be a settings across everything that gives some kind of special notification, not just the DOS