Minor toolbar and menu coherence fixes.

* Change Read to Load in Pcbnew and Eeschema preference menus.
* Make electrical rules check status bar message the same for both the menu
  and toolbar entries.

eeschema/menubar.cpp

@@ -419,8 +419,8 @@ void SCH_EDIT_FRAME::ReCreateMenuBar()
 
     AddMenuItem( preferencesMenu,
                  ID_CONFIG_READ,
-                 _( "&Read Preferences" ),
-                 _( "Read application preferences" ),
+                 _( "Load Prefe&rences" ),
+                 _( "Load application preferences" ),
                  KiBitmap( read_setup_xpm ) );
 
     // Menu Tools:
@@ -446,8 +446,8 @@ void SCH_EDIT_FRAME::ReCreateMenuBar()
     // ERC
     AddMenuItem( toolsMenu,
                  ID_GET_ERC,
-                 _( "Electric Rules &Checker" ),
-                 _( "Perform electrical rule check" ),
+                 _( "Electrical Rules &Checker" ),
+                 _( "Perform electrical rules check" ),
                  KiBitmap( erc_xpm ) );
 
     AddMenuItem( toolsMenu,

eeschema/tool_sch.cpp

@@ -146,7 +146,7 @@ void SCH_EDIT_FRAME::ReCreateHToolbar()
                             HELP_ANNOTATE );
 
     m_mainToolBar->AddTool( ID_GET_ERC, wxEmptyString, KiBitmap( erc_xpm ),
-                            _( "Perform electrical rule check" ) );
+                            _( "Perform electrical rules check" ) );
 
     m_mainToolBar->AddTool( ID_GET_NETLIST, wxEmptyString, KiBitmap( netlist_xpm ),
                             _( "Generate netlist" ) );

pcbnew/menubar_pcbframe.cpp

@@ -510,8 +510,8 @@ void PCB_EDIT_FRAME::ReCreateMenuBar()
                  KiBitmap( save_setup_xpm ) );
 
     AddMenuItem( configmenu, ID_CONFIG_READ,
-                 _( "&Read Preferences" ),
-                 _( "Read application preferences" ),
+                 _( "Load Prefe&rences" ),
+                 _( "Load application preferences" ),
                  KiBitmap( read_setup_xpm ) );
 
     //----- Tools menu ----------------------------------------------------------