Correct id animations for gnome's & misc

Correct id animations for gnome's & misc

• add attack, death, defence animation id to gnome, gnome woman, gnome child;
• correct melee and death animation id for gnome guard;
• add bones drop for gnome, gnome woman, gnome child;
• removed cow from the middle of the ocean;
• moved spawn-point of ogrees, ogrees champion and ogrees warrior at Oo'glog that spawn on trees;

Are there any tricky things testers should keep an eye out for?

• No

• I have tested these changes thoroughly.

• This requires extra testing due to changes to architecture or other similarly risky changes.

• I used the Thanos Tool for any JSON edits where possible, and have attached screenshots of any changes.

• I acknowledge that this contribution will be released under the AGPL license.