Aviar - First Pass

[leafreynolds]

• [x] Can convert parrot to aviar
• [x] Can tame aviar if not already tamed as parrot
• [x] aviar provides a bonus when nearby
• [x] aviar provides a bonus when on shoulder
• [x] Can obtain fruit needed to convert parrot
• [x] has it's own section in patchouli guide book
• [x] each bird variant has it's own bonus