Added physics saved settings.

Emerald physics demoted to legacy. Only enabled on av's that fail to send physics paramaters, or AvatarPhysics is completely disabled.
Params reset when AvatarPhysics is toggled off. (Bugfix for LL's code)

indra/newview/llphysicsmotion.h

@@ -110,7 +110,6 @@ public:
 	virtual void onDeactivate();
 
 	LLCharacter* getCharacter() { return mCharacter; }
-
 protected:
 	void addMotion(LLPhysicsMotion *motion);
 private:
@@ -118,6 +117,8 @@ private:
 
 	typedef std::vector<LLPhysicsMotion *> motion_vec_t;
 	motion_vec_t mMotions;
+
+	bool mIsDefault;
 };
 
 #endif // LL_LLPHYSICSMOTION_H