d_a_alink_swim work / fix JASGlobalInstance (#288)

* daalink / z2linkmgr wip

* first cleanup of JASGlobalInstance data

* fix sInstance stuff part 2

* more d_a_alink_swim work

* remove asm

include/JSystem/J3DGraphAnimator/J3DAnimation.h

@@ -595,6 +595,7 @@ public:
     f32 getRate() const { return mRate; }
     f32 getFrame() const { return mFrame; }
     s16 getEnd() const { return mEnd; }
+    s16 getStart() const { return mStart; }
     u8 getAttribute() const { return mAttribute; }
     u8 getState() const { return mState; }
     void setAttribute(u8 attr) { mAttribute = attr; }