Use camel case for plugin name. Fixes issue where tab name appears in lower case

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@10523 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: timlinux

src/plugins/diagram_overlay/qgsdiagramoverlayplugin.cpp

@@ -31,7 +31,7 @@
 #define QGISEXTERN extern "C"
 #endif
 
-static const QString pluginName = "diagram overlay";
+static const QString pluginName = "Diagram Overlay";
 static const QString pluginDescription = "A plugin for placing diagrams on vector layers";
 static const QString pluginVersion = "Version 0.0.1";