Migrate to boost::bind for a bunch of CommitCallbacks. Converted several static member functions to nonstatic member functions

indra/llcharacter/llmultigesture.cpp

@@ -50,8 +50,7 @@ LLMultiGesture::LLMultiGesture()
 	mSteps(),
 	mPlaying(FALSE),
 	mCurrentStep(0),
-	mDoneCallback(NULL),
-	mCallbackData(NULL)
+	mDoneCallback(NULL)
 {
 	reset();
 }

indra/llcharacter/llmultigesture.h

@@ -100,8 +100,7 @@ public:
 	// Timer for waiting
 	LLFrameTimer mWaitTimer;
 
-	void (*mDoneCallback)(LLMultiGesture* gesture, void* data);
-	void* mCallbackData;
+	boost::function<void (LLMultiGesture*)> mDoneCallback;
 
 	// Animations that we requested to start
 	std::set<LLUUID> mRequestedAnimIDs;