Eeschema: fix crash in intermediate netlist generation when a component has no pins (like logos or images).

Pcbnew: texts in dimensions can be now moved.
Gerbview: fix incorrect number of layers  in export to pcbnew function.

common/basicframe.cpp

@@ -328,9 +328,17 @@ void EDA_BASE_FRAME::GetKicadHelp( wxCommandEvent& event )
     {
         // Temporary change the help filename
         wxString tmp = wxGetApp().m_HelpFileName;
-        wxGetApp().m_HelpFileName = wxT( "Getting_Started_in_KiCad.pdf" );
+
+        // Search for "getting_started_in_kicad.pdf" or "Getting_Started_in_KiCad.pdf"
+        wxGetApp().m_HelpFileName = wxT( "getting_started_in_kicad.pdf" );
         wxString helpFile = wxGetApp().GetHelpFile();
 
+        if( !helpFile )
+        {   // Try to find "Getting_Started_in_KiCad.pdf"
+            wxGetApp().m_HelpFileName = wxT( "Getting_Started_in_KiCad.pdf" );
+            wxString helpFile = wxGetApp().GetHelpFile();
+        }
+
         if( !helpFile )
         {
             msg.Printf( _( "Help file %s could not be found." ),