Add and correct some French translation

The translation of the instrument plugins description does not work in Instruments pluginBrowser

Translation of the effect plugins description not showing in effects selector

Replace tabs with spaces in the fix indentation (as Tres request)

More French translations added

Remove the call to tr() inside the macro makeknob (DualFilterControlDialog.cpp) and tr() the strings before calling makeknob
Fix DualFilter description (was labeled as "A native amplifier plugin") (DualFilter.cpp)
Add French translation for the Dual filter knobs.

Move tr() out of macro's so lupdate find them for translation (extract litterals in "ts" file).
Full French translation of Monstro :-)

Make NES translatable (some tr() missing)
Remove tr() from macros (litterals not extracted by lupdate
Translate NES to French

Translate Watsyn Synth as others

Missing Q_OBJECT in DelayControlsDialog definition prevents its translation
Translate Delay plugin to French

Make EqControlsDialog translatable

Fix selected-note volume bug

Closes #2070

Fix a typo in French translation.

Add EqControlsDialog.h to the MOCFILES list in Eq CMakeLists.txt

Remove definition of slot updateVuMeters() in EqControlsDialog.h which is not implemented

src/gui/EffectSelectDialog.cpp

@@ -206,7 +206,7 @@ void EffectSelectDialog::rowChanged( const QModelIndex & _idx,
         {
             QLabel *label = new QLabel(m_descriptionWidget);
             QString labelText = "<p><b>" + tr("Name") + ":</b> " + QString::fromUtf8(descriptor.displayName) + "</p>";
-            labelText += "<p><b>" + tr("Description") + ":</b> " + QString::fromUtf8(descriptor.description) + "</p>";
+            labelText += "<p><b>" + tr("Description") + ":</b> " + qApp->translate( "pluginBrowser", descriptor.description ) + "</p>";
             labelText += "<p><b>" + tr("Author") + ":</b> " + QString::fromUtf8(descriptor.author) + "</p>";
 
             label->setText(labelText);

src/gui/MainWindow.cpp

@@ -279,7 +279,7 @@ void MainWindow::finalize()
 					Qt::CTRL + Qt::SHIFT + Qt::Key_E );
 
 	project_menu->addAction( embed::getIconPixmap( "midi_file" ),
-					tr( "E&xport MIDI..." ),
+					tr( "Export &MIDI..." ),
 					Engine::getSong(),
 					SLOT( exportProjectMidi() ),
 					Qt::CTRL + Qt::Key_M );

src/gui/PluginBrowser.cpp

@@ -168,8 +168,8 @@ void PluginDescWidget::paintEvent( QPaintEvent * )
 		p.setFont( pointSize<8>( f ) );
 		QRect br;
 		p.drawText( 10 + logo_size.width(), 20, width() - 58 - 5, 999,
-							Qt::TextWordWrap,
-			PluginBrowser::tr( m_pluginDescriptor.description ),
+								Qt::TextWordWrap,
+								qApp->translate( "pluginBrowser", m_pluginDescriptor.description ),
 								&br );
 		if( m_mouseOver )
 		{

src/gui/editors/PianoRoll.cpp

@@ -2098,7 +2098,7 @@ void PianoRoll::mouseMoveEvent( QMouseEvent * me )
 				if ( isUnderPosition ) { testPlayNote( n ); }
 				// If note is the one under the cursor or is selected when alt is
 				// not pressed
-				if ( isUnderPosition || ( n->selected() && !altPressed ) )
+				if ( ( isUnderPosition && !isSelection() ) || ( n->selected() && !altPressed ) )
 				{
 					if( m_noteEditMode == NoteEditVolume )
 					{