Add "Loading plugins" to editor load progress

src/mcedit2/editorsession.py

@@ -116,7 +116,7 @@ class EditorSession(QtCore.QObject):
                  progressCallback=None):
         from mcedit2 import __version__ as v
 
-        progressMax = 7  # fixme
+        progressMax = 8  # fixme
         if progressCallback is None:
             def progress(status):
                 pass
@@ -372,6 +372,8 @@ class EditorSession(QtCore.QObject):
 
         # - Plugins -
 
+        progress("Loading plugins...")
+
         self.menuPlugins = PluginsMenu(self)
         self.menuPlugins.loadPlugins()
         self.menus.append(self.menuPlugins)