added 'new' resource string, translated 'z' strings

Author: retailcoder

RetailCoder.VBE/UI/CodeExplorer/CodeExplorerWindow.cs

@@ -64,6 +64,9 @@ public CodeExplorerWindow()
             DisplayMemberNamesButton.Text = RubberduckUI.CodeExplorer_DisplayMemberNamesText;
             DisplaySignaturesButton.Text = RubberduckUI.CodeExplorer_DisplaySignaturesText;
 
+            AddButton.Text = RubberduckUI.New;
+            newToolStripMenuItem.Text = RubberduckUI.New;
+
             RefreshContextButton.Text = RubberduckUI.Refresh;
             ShowDesignerContextButton.Text = RubberduckUI.CodeExplorer_ShowDesignerText;
             AddClassContextButton.Text = RubberduckUI.CodeExplorer_AddClassText;