Improved Tylo Swimming AI (Yonah please look)

This is still a bit buggy and overlaps with Yonah's swimming AI,
causing a bit of jolting. Since I'm not completely familiar with
Yonah's AI and mine is relatively simple, Yonah needs to consolidate
what I've done into his EntitySwimming.
Merge branch 'master' of https://github.com/iLexiconn/JurassiCraft

Conflicts:

src/main/java/to/uk/ilexiconn/jurassicraft/entity/model/ModelTylosaurus.
java