changed method name for var overlap style

xchart-demo/src/main/java/com/xeiam/xchart/demo/charts/bar/BarChart06.java

@@ -58,7 +58,7 @@ public class BarChart06 implements ExampleChart {
     // Customize Chart
     chart.getStyleManager().setLegendPosition(LegendPosition.InsideNW);
     chart.getStyleManager().setBarWidthPercentage(.96);
-    chart.getStyleManager().setOverlapped(true);
+    chart.getStyleManager().setBarsOverlapped(true);
 
     return chart;
   }

xchart/src/main/java/com/xeiam/xchart/StyleManager.java

@@ -129,7 +129,7 @@ public class StyleManager {
 
   // Bar Charts ///////////////////////////////
   private double barWidthPercentage;
-  private boolean isOverlapped;
+  private boolean barsOverlapped;
 
   // Error Bars ///////////////////////////////
   private Color errorBarsColor;
@@ -211,7 +211,7 @@ public class StyleManager {
 
     // Bar Charts ///////////////////////////////
     barWidthPercentage = theme.getBarWidthPercentage();
-    isOverlapped = theme.isOverlapped();
+    barsOverlapped = theme.barsOverlapped();
 
     // Error Bars ///////////////////////////////
     errorBarsColor = theme.getErrorBarsColor();
@@ -994,16 +994,16 @@ public class StyleManager {
   /**
    * set whether or no bars are overlapped. Otherwise they are places side-by-side
    * 
-   * @param isOverlapped
+   * @param barsOverlapped
    */
-  public void setOverlapped(boolean isOverlapped) {
+  public void setBarsOverlapped(boolean barsOverlapped) {
 
-    this.isOverlapped = isOverlapped;
+    this.barsOverlapped = barsOverlapped;
   }
 
-  public boolean isOverlapped() {
+  public boolean barsOverlapped() {
 
-    return isOverlapped;
+    return barsOverlapped;
   }
 
   // Error Bars ///////////////////////////////

xchart/src/main/java/com/xeiam/xchart/internal/chartpart/PlotContentBarChart.java

@@ -170,7 +170,7 @@ public class PlotContentBarChart extends PlotContent {
         boolean isOverlap = true;
         double xOffset;
         double barWidth;
-        if (getChartPainter().getStyleManager().isOverlapped()) {
+        if (getChartPainter().getStyleManager().barsOverlapped()) {
           double barWidthPercentage = getChartPainter().getStyleManager().getBarWidthPercentage();
           barWidth = gridStep * barWidthPercentage;
           double barMargin = gridStep * (1 - barWidthPercentage) / 2;

xchart/src/main/java/com/xeiam/xchart/internal/style/GGPlot2Theme.java

@@ -288,7 +288,7 @@ public class GGPlot2Theme implements Theme {
   }
 
   @Override
-  public boolean isOverlapped() {
+  public boolean barsOverlapped() {
 
     return false;
   }

xchart/src/main/java/com/xeiam/xchart/internal/style/MatlabTheme.java

@@ -289,7 +289,7 @@ public class MatlabTheme implements Theme {
   }
 
   @Override
-  public boolean isOverlapped() {
+  public boolean barsOverlapped() {
 
     return false;
   }

xchart/src/main/java/com/xeiam/xchart/internal/style/Theme.java

@@ -120,7 +120,7 @@ public interface Theme {
 
   public double getBarWidthPercentage();
 
-  public boolean isOverlapped();
+  public boolean barsOverlapped();
 
   // Error Bars ///////////////////////////////
 

xchart/src/main/java/com/xeiam/xchart/internal/style/XChartTheme.java

@@ -288,7 +288,7 @@ public class XChartTheme implements Theme {
   }
 
   @Override
-  public boolean isOverlapped() {
+  public boolean barsOverlapped() {
 
     return false;
   }