added normalize kw, and added to pyplot

src/args.jl

@@ -154,6 +154,7 @@ _seriesDefaults[:xerror]          = nothing
 _seriesDefaults[:yerror]          = nothing
 _seriesDefaults[:ribbon]          = nothing
 _seriesDefaults[:quiver]          = nothing
+_seriesDefaults[:normalize]       = false     # do we want a normalized histogram?
 
 
 const _plotDefaults = KW()
@@ -356,6 +357,9 @@ end
     :velocity           => :quiver,
     :quiver2d           => :quiver,
     :gradient           => :quiver,
+    :norm               => :normalize,
+    :normed             => :normalize,
+    :normalized         => :normalize,
   )
 
 # add all pluralized forms to the _keyAliases dict

src/backends/pyplot.jl

@@ -449,7 +449,7 @@ function _add_series(pkg::PyPlotBackend, plt::Plot, d::KW)
             edgecolor = pylinecolor(d),
             linewidth = d[:linewidth],
             bins = d[:nbins],
-            normed = (lt == :density),
+            normed = d[:normalize],
             orientation = (isvertical(d) ? "vertical" : "horizontal"),
             histtype = (d[:bar_position] == :stack ? "barstacked" : "bar")
         )[1]

src/backends/supported.jl

@@ -101,12 +101,13 @@ supportedArgs(::PyPlotBackend) = [
     :orientation,
     :overwrite_figure,
     :polar,
+    :normalize,
   ]
 supportedAxes(::PyPlotBackend) = _allAxes
 supportedTypes(::PyPlotBackend) = [
         :none, :line, :path, :steppre, :steppost, :shape,
         :scatter, :hist2d, :hexbin, :hist, :density,
-        :bar, :box, :violin, :quiver,
+        :bar, :sticks, :box, :violin, :quiver,
         :hline, :vline, :heatmap,
         :contour, :path3d, :scatter3d, :surface, :wireframe
     ]