Pre new ladder logic branch.
Completely refactored ladder control logic and ladder animation logic. Also fixed DKCore-11.
Merge branch 'newladders' into develop
Fixed DKCore-12
Fixed a bug with animations that happened while jumping at the top of a ladder.
Fixed an issue that caused the wrong animation to be shown when standing still on a reverse jump landing
Fixed DKCore-15
Back jumps sort of work. This will need to be tinkered with more...