Fix adding Images to existing service items

bzr-revno: 1233
Fixes: https://launchpad.net/bugs/704522

openlp/core/lib/serviceitem.py

@@ -243,7 +243,7 @@ class ServiceItem(object):
         file to represent this item.
         """
         service_header = {
-            u'name': self.name.lower(),
+            u'name': self.name,
             u'plugin': self.name,
             u'theme': self.theme,
             u'title': self.title,

openlp/core/ui/servicemanager.py

@@ -1082,7 +1082,7 @@ class ServiceManager(QtGui.QWidget):
         """
         link = event.mimeData()
         if link.hasText():
-            plugin = event.mimeData().text()
+            plugin = unicode(event.mimeData().text())
             item = self.serviceManagerList.itemAt(event.pos())
             # ServiceManager started the drag and drop
             if plugin == u'ServiceManager':