update date histogram mock and image to be immune to edge effects

Author: alexcjohnson

test/image/baselines/date_histogram.png

@@ -13,8 +13,8 @@
             "autobinx": false,
             "nbinsx": 3,
             "xbins": {
-                "start": "2012-01-01",
-                "end": "2012-04-01",
+                "start": "2011-12-16",
+                "end": "2012-03-16",
                 "size": "M1"
             },
             "autobiny": true,
@@ -26,117 +26,32 @@
     ],
     "layout": {
         "title": "Click to enter Plot title",
-        "titlefont": {
-            "family": "",
-            "size": 0,
-            "color": ""
-        },
         "font": {
             "family": "\"Open sans\", verdana, arial, sans-serif",
             "size": 12,
             "color": "#444"
         },
         "showlegend": true,
-        "autosize": true,
-        "width": 841,
-        "height": 662,
+        "width": 600,
+        "height": 400,
         "xaxis": {
             "title": "month",
-            "titlefont": {
-                "family": "",
-                "size": 0,
-                "color": ""
-            },
-            "range": [
-                1325438100000,
-                1333210500000
-            ],
-            "domain": [
-                0,
-                1
-            ],
-            "type": "date",
-            "rangemode": "normal",
-            "autorange": true,
             "showgrid": false,
             "zeroline": false,
             "showline": false,
-            "autotick": true,
-            "nticks": 41,
             "ticks": "",
             "showticklabels": true,
-            "tick0": 946789200000,
-            "dtick": 259200000,
-            "ticklen": 5,
-            "tickwidth": 1,
             "tickcolor": "rgb(127,127,127)",
-            "tickangle": "auto",
-            "tickfont": {
-                "family": "",
-                "size": 0,
-                "color": ""
-            },
-            "exponentformat": "B",
-            "showexponent": "all",
-            "mirror": false,
-            "gridcolor": "rgb(255,255,255)",
-            "gridwidth": 1,
-            "zerolinecolor": "#444",
-            "zerolinewidth": 1,
-            "linecolor": "#444",
-            "linewidth": 1,
-            "anchor": "y",
-            "overlaying": false,
-            "position": 0
+            "gridcolor": "rgb(255,255,255)"
         },
         "yaxis": {
             "title": "count",
-            "titlefont": {
-                "family": "",
-                "size": 0,
-                "color": ""
-            },
-            "range": [
-                0,
-                3.1578947368421053
-            ],
-            "domain": [
-                0,
-                1
-            ],
-            "type": "linear",
-            "rangemode": "normal",
-            "autorange": true,
             "showgrid": true,
             "zeroline": true,
             "showline": false,
-            "autotick": true,
-            "nticks": 0,
             "ticks": "",
-            "showticklabels": true,
-            "tick0": 0,
-            "dtick": 0.5,
-            "ticklen": 5,
-            "tickwidth": 1,
             "tickcolor": "rgb(127,127,127)",
-            "tickangle": "auto",
-            "tickfont": {
-                "family": "",
-                "size": 0,
-                "color": ""
-            },
-            "exponentformat": "B",
-            "showexponent": "all",
-            "mirror": false,
-            "gridcolor": "rgb(255,255,255)",
-            "gridwidth": 1,
-            "zerolinecolor": "#444",
-            "zerolinewidth": 1,
-            "linecolor": "#444",
-            "linewidth": 1,
-            "anchor": "x",
-            "overlaying": false,
-            "position": 0
+            "gridcolor": "rgb(255,255,255)"
         },
         "legend": {
             "x": 100,
@@ -151,23 +66,9 @@
             "bordercolor": "transparent",
             "borderwidth": 0
         },
-        "margin": {
-            "l": 80,
-            "r": 10,
-            "b": 80,
-            "t": 100,
-            "pad": 0,
-            "autoexpand": true
-        },
-        "paper_bgcolor": "#fff",
         "plot_bgcolor": "rgb(229,229,229)",
-        "hovermode": "x",
-        "dragmode": "zoom",
-        "separators": ".,",
         "barmode": "stack",
         "bargap": 0.2,
-        "bargroupgap": 0,
-        "boxmode": "overlay",
-        "hidesources": false
+        "bargroupgap": 0
     }
 }