Add option to disable axes individually

lib/morris.bar.coffee

@@ -48,7 +48,7 @@ class Morris.Bar extends Morris.Grid
   # Draws the bar chart.
   #
   draw: ->
-    @drawXAxis() if @options.axes
+    @drawXAxis() if @options.axes in [true, 'both', 'x']
     @drawSeries()
 
   # draw the x-axis labels

lib/morris.grid.coffee

@@ -172,7 +172,7 @@ class Morris.Grid extends Morris.EventEmitter
       @ymin -= 1 if ymin
       @ymax += 1
 
-    if @options.axes is true or @options.grid is true
+    if @options.axes in [true, 'both', 'y'] or @options.grid is true
       if (@options.ymax == @gridDefaults.ymax and
           @options.ymin == @gridDefaults.ymin)
         # calculate 'magic' grid placement
@@ -241,10 +241,11 @@ class Morris.Grid extends Morris.EventEmitter
       @right = @elementWidth - @options.padding
       @top = @options.padding
       @bottom = @elementHeight - @options.padding
-      if @options.axes
+      if @options.axes in [true, 'both', 'y']
         yLabelWidths = for gridLine in @grid
           @measureText(@yAxisFormat(gridLine)).width
         @left += Math.max(yLabelWidths...)
+      if @options.axes in [true, 'both', 'x']
         bottomOffsets = for i in [[email protected]]
           @measureText(@data[i].text, [email protected]).height
         @bottom -= Math.max(bottomOffsets...)
@@ -307,10 +308,10 @@ class Morris.Grid extends Morris.EventEmitter
   # draw y axis labels, horizontal lines
   #
   drawGrid: ->
-    return if @options.grid is false and @options.axes is false
+    return if @options.grid is false and @options.axes not in [true, 'both', 'y']
     for lineY in @grid
       y = @transY(lineY)
-      if @options.axes
+      if @options.axes in [true, 'both', 'y']
         @drawYAxisLabel(@left - @options.padding / 2, y, @yAxisFormat(lineY))
       if @options.grid
         @drawGridLine("M#{@left},#{y}H#{@left + @width}")

lib/morris.line.coffee

@@ -133,7 +133,7 @@ class Morris.Line extends Morris.Grid
   # Draws the line chart.
   #
   draw: ->
-    @drawXAxis() if @options.axes
+    @drawXAxis() if @options.axes in [true, 'both', 'x']
     @drawSeries()
     if @options.hideHover is false
       @displayHoverForRow(@data.length - 1)