Implement ShoppingLib into WitchSlayer-Bot, Flint-Bot and Magmus-Bot

ShoppingLib:
-Bug-Fix: rare purchase error (Firebrand into Dawnbringer syndrom)
-comments

Example bots removed
WitSlayer-Bot-file recovered
Merge branch 'Schnarchnase_AdvancedShoppingLib' of https://github.com/Kairus101/Heroes-of-Newerth-Bots into Schnarchnase_AdvancedShoppingLib
Revert "Merge remote-tracking branch 'upstream/Community' into Schnarchnase_AdvancedShoppingLib"

This reverts commit 3c39407b43526606c699291981db8aad4340bddc, reversing
changes made to 1143770a6e2f6e9f4eec92bbe1433dc6523dbc54.

Conflicts:
	bots/behaviorLib.lua
	bots/botbraincore.lua
	bots/witchslayer/witchslayer_main.lua