[ui] make symbol/label/diagram title case consistent

Author: nirvn

src/core/symbology-ng/qgsrendererv2registry.cpp

@@ -29,11 +29,11 @@ QgsRendererV2Registry::QgsRendererV2Registry()
 {
   // add default renderers
   addRenderer( new QgsRendererV2Metadata( "nullSymbol",
-                                          QObject::tr( "No Symbols" ),
+                                          QObject::tr( "No symbols" ),
                                           QgsNullSymbolRenderer::create ) );
 
   addRenderer( new QgsRendererV2Metadata( "singleSymbol",
-                                          QObject::tr( "Single Symbol" ),
+                                          QObject::tr( "Single symbol" ),
                                           QgsSingleSymbolRendererV2::create,
                                           QgsSingleSymbolRendererV2::createFromSld ) );
 
@@ -51,11 +51,11 @@ QgsRendererV2Registry::QgsRendererV2Registry()
                                           QgsRuleBasedRendererV2::createFromSld ) );
 
   addRenderer( new QgsRendererV2Metadata( "pointDisplacement",
-                                          QObject::tr( "Point Displacement" ),
+                                          QObject::tr( "Point displacement" ),
                                           QgsPointDisplacementRenderer::create ) );
 
   addRenderer( new QgsRendererV2Metadata( "invertedPolygonRenderer",
-                                          QObject::tr( "Inverted Polygons" ),
+                                          QObject::tr( "Inverted polygons" ),
                                           QgsInvertedPolygonRenderer::create ) );
 
   addRenderer( new QgsRendererV2Metadata( "heatmapRenderer",

src/plugins/grass/qgsgrassplugin.cpp

@@ -294,7 +294,7 @@ void QgsGrassPlugin::initGui()
   if ( !QgsRendererV2Registry::instance()->renderersList().contains( "grassEdit" ) )
   {
     QgsRendererV2Registry::instance()->addRenderer( new QgsRendererV2Metadata( "grassEdit",
-        QObject::tr( "GRASS Edit" ),
+        QObject::tr( "GRASS edit" ),
         QgsGrassEditRenderer::create,
         QIcon( QgsApplication::defaultThemePath() + "rendererGrassSymbol.svg" ),
         QgsGrassEditRendererWidget::create ) );