UI cleanup.

-Added ui-local transformation matrix.
-Gutted legacy commitcallbacks throughout ui widget ctors.
-Created filter_editor ui widget which issues commit on keypress
   -search_editor commits on focus loss/enter press
   -search_editor and filter_editor now have a built in 'x' button to clear text.
-LLComboBox::setPrearrangeCallback now uses boost::function
-LLComboBox::setTextEntryCallback now uses boost::function
-LLLineEditor::setKeystrokeCallback now uses boost::function
-LLLineEditor::setPrevalidate now uses boost::function
-LLPanel::childSetKeystrokeCallback removed
-LLPanel::childSetPrevalidate removed
-LLPanel::childSetActionTextbox now uses boost::function
-LLTextBox::setClickedCallback now uses boost::function
-LLTextEditor::setKeystrokeCallback added.
-Cleaned up JCFloaterAreaSearch

indra/newview/lldebugmessagebox.h

@@ -67,7 +67,7 @@ protected:
 
 	static LLDebugVarMessageBox* show(const std::string& title, EDebugVarType var_type, void *var);
 	static void slider_changed(LLUICtrl* ctrl, void* user_data);
-	static void onAnimateClicked(void* user_data);
+	void onAnimateClicked();
 
 public:
 	static void show(const std::string& title, F32 *var, F32 max_value = 100.f, F32 increment = 0.1f);