Improved Vote Party type: Pig Hunt!

- Added a health bar to the pigs and made a report of hit events:

1. Calculation of hit damage:
   • "powerful hit": 16.67%
   • "good hit": 16.67%
   • "average hit": 16.67%
   • "pussy hit": 16.67%
   • "ok hit": 33.33%

1. Random action on hit:
   • "throw splash and heal itself": 10%
   • "explosion animation": 20%
   • "hearts animation": 20%
   • "on fire": 10%
   • "special creature interaction": 10% (allay, bat, creeper or double pig)
   • "glow effect": 10%
   • "firework effect": 20%
   • "knockback effect": 50%

- Also added a 'last kill message' to the messages.yml. If you are using a different languages, it will need to be changed.
- Fixed an important issue where database columns were not created and database migrations were buggy!