Created separate item handling

Needs a converter for old configs
Needs some changes in events/conditions/objectives code to use it

Signed-off-by: Co0sh <coosheck@gmail.com>
Created converter for items

Events and confitions still needs modification to understand the new
format

Signed-off-by: Co0sh <coosheck@gmail.com>
Added full support for new items.yml system

Updated TakeEvent, GiveEvent, ItemCondition and HandCondition to use new system
Fixed some bugs with spaces in names etc.

Signed-off-by: Co0sh <coosheck@gmail.com>