sourcecodebrowser: Move plugin to right panel

Since this plugin provides ctags, which are often presented on the right
side in most IDEs, we can move this plugin to show in Pluma's new right
side panel to be consistent.

Author: vkareh

plugins/sourcecodebrowser/sourcecodebrowser/sourcecodebrowser.py

@@ -341,7 +341,7 @@ class SourceCodeBrowserPlugin(GObject.Object, Pluma.WindowActivatable, PeasGtk.C
     """
     Source Browser Plugin for Pluma
 
-    Adds a tree view to the side panel of a Pluma window which provides a list
+    Adds a tree view to the right panel of a Pluma window which provides a list
     of programming symbols (functions, classes, variables, etc.).
     """
     __gtype_name__ = "SourceCodeBrowserPlugin"
@@ -370,7 +370,7 @@ def do_activate(self):
         self._sourcetree.sort_list = self.sort_list
         icon_dir = os.path.join(datadir, 'icons')
         icon = Gtk.Image.new_from_file(os.path.join(icon_dir, "source-code-browser.png"))
-        panel = self.window.get_side_panel()
+        panel = self.window.get_right_panel()
         panel.add_item(self._sourcetree, _("Source Code Browser"), icon)
         self._handlers = []
         hid = self._sourcetree.connect("draw", self.on_sourcetree_draw)
@@ -393,7 +393,7 @@ def do_deactivate(self):
         for obj, hid in self._handlers:
             obj.disconnect(hid)
         self._handlers = None
-        panel = self.window.get_side_panel()
+        panel = self.window.get_right_panel()
         panel.remove_item(self._sourcetree)
         self._sourcetree = None
 
@@ -432,8 +432,8 @@ def _load_active_document_symbols(self):
         """ Load the symbols for the given URI. """
         self._sourcetree.clear()
         self._is_loaded = False
-        # only load the sourcecodebrowser if it is the active tab in the side panel
-        panel = self.window.get_side_panel()
+        # only load the sourcecodebrowser if it is the active tab in the right panel
+        panel = self.window.get_right_panel()
         if not panel.item_is_active(self._sourcetree):
             return