Gerber, Dialog plot: add option to disable Aperture Macro use.

Some broken Gerber readers cannot handle Aperture Macros without errors
although this feature exists since the beginning of RS274X format.

pcbnew/pcb_plot_params.cpp

@@ -98,6 +98,7 @@ static bool setDouble( double* aTarget, double aValue, double aMin, double aMax
 PCB_PLOT_PARAMS::PCB_PLOT_PARAMS()
 {
     m_useGerberProtelExtensions  = false;
+    m_gerberDisableApertMacros   = false;
     m_useGerberX2format          = true;
     m_includeGerberNetlistInfo   = true;
     m_createGerberJobFile        = true;
@@ -176,6 +177,9 @@ void PCB_PLOT_PARAMS::Format( OUTPUTFORMATTER* aFormatter,
     aFormatter->Print( aNestLevel+1, "(%s 0x%s)\n", getTokenName( T_layerselection ),
                        m_layerSelection.FmtHex().c_str() );
 
+    aFormatter->Print( aNestLevel+1, "(%s %s)\n", getTokenName( T_disableapertmacros ),
+                       m_gerberDisableApertMacros ? trueStr : falseStr );
+
     aFormatter->Print( aNestLevel+1, "(%s %s)\n", getTokenName( T_usegerberextensions ),
                        m_useGerberProtelExtensions ? trueStr : falseStr );
 
@@ -262,6 +266,8 @@ bool PCB_PLOT_PARAMS::IsSameAs( const PCB_PLOT_PARAMS &aPcbPlotParams, bool aCom
         return false;
     if( m_useGerberProtelExtensions != aPcbPlotParams.m_useGerberProtelExtensions )
         return false;
+    if( m_gerberDisableApertMacros != aPcbPlotParams.m_gerberDisableApertMacros )
+        return false;
     if( m_useGerberX2format != aPcbPlotParams.m_useGerberX2format )
         return false;
     if( m_includeGerberNetlistInfo != aPcbPlotParams.m_includeGerberNetlistInfo )
@@ -419,6 +425,10 @@ void PCB_PLOT_PARAMS_PARSER::Parse( PCB_PLOT_PARAMS* aPcbPlotParams )
             }
             break;
 
+        case T_disableapertmacros:
+            aPcbPlotParams->m_gerberDisableApertMacros = parseBool();
+            break;
+
         case T_usegerberextensions:
             aPcbPlotParams->m_useGerberProtelExtensions = parseBool();
             break;