fixed lot of issues in MIDI-import-filter and added support for tempo-change-events

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@497 0778d3d1-df1d-0410-868b-ea421aaaa00d

src/core/song_editor.cpp

@@ -1355,6 +1355,14 @@ bpm_t songEditor::getTempo( void )
 
 
 
+automationPattern * songEditor::tempoAutomationPattern( void )
+{
+	return( m_bpmSpinBox->getAutomationPattern() );
+}
+
+
+
+
 bool songEditor::mayChangeProject( void )
 {
 	if( m_modified == FALSE )