--- a/ckanext/ga_report/public/scripts/vendor/rickshaw.min.js
+++ b/ckanext/ga_report/public/scripts/vendor/rickshaw.min.js
@@ -1,2 +1,3 @@
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a},this.onComplete=a.onComplete||function(){},this.onError=a.onError||function(){},this.args=a,this.request()},request:function(){$.ajax({url:this.dataURL,dataType:"json",success:this.success.bind(this),error:this.error.bind(this)})},error:function(){console.log("error loading dataURL: "+this.dataURL),this.onError(this)},success:function(a,b){a=this.onData(a),this.args.series=this._splice({data:a,series:this.args.series}),this.graph=new Rickshaw.Graph(this.args),this.graph.render(),this.onComplete(this)},_splice:function(a){var b=a.data,c=a.series;return a.series?(c.forEach(function(a){var c=a.key||a.name;if(!c)throw"series needs a key or a name";b.forEach(function(b){var d=b.key||b.name;if(!d)throw"data needs a key or a name";if(c==d){var e=["color","name","data"];e.forEach(function(c){a[c]=a[c]||b[c]})}})}),c):b}}),Rickshaw.namespace("Rickshaw.Graph.Annotate"),Rickshaw.Graph.Annotate=function(a){var b=this.graph=a.graph;this.elements={timeline:a.element};var c=this;this.data={},this.elements.timeline.classList.add("rickshaw_annotation_timeline"),this.add=function(a,b,d){c.data[a]=c.data[a]||{boxes:[]},c.data[a].boxes.push({content:b,end:d})},this.update=function(){Rickshaw.keys(c.data).forEach(function(a){var b=c.data[a],d=c.graph.x(a);if(d<0||d>c.graph.x.range()[1]){b.element&&(b.line.classList.add("offscreen"),b.element.style.display="none"),b.boxes.forEach(function(a){a.rangeElement&&a.rangeElement.classList.add("offscreen")});return}if(!b.element){var e=b.element=document.createElement("div");e.classList.add("annotation"),this.elements.timeline.appendChild(e),e.addEventListener("click",function(a){e.classList.toggle("active"),b.line.classList.toggle("active"),b.boxes.forEach(function(a){a.rangeElement&&a.rangeElement.classList.toggle("active")})},!1)}b.element.style.left=d+"px",b.element.style.display="block",b.boxes.forEach(function(a){var e=a.element;e||(e=a.element=document.createElement("div"),e.classList.add("content"),e.innerHTML=a.content,b.element.appendChild(e),b.line=document.createElement("div"),b.line.classList.add("annotation_line"),c.graph.element.appendChild(b.line),a.end&&(a.rangeElement=document.createElement("div"),a.rangeElement.classList.add("annotation_range"),c.graph.element.appendChild(a.rangeElement)));if(a.end){var f=d,g=Math.min(c.graph.x(a.end),c.graph.x.range()[1]);f>g&&(g=d,f=Math.max(c.graph.x(a.end),c.graph.x.range()[0]));var h=g-f;a.rangeElement.style.left=f+"px",a.rangeElement.style.width=h+"px",a.rangeElement.classList.remove("offscreen")}b.line.classList.remove("offscreen"),b.line.style.left=d+"px"})},this)},this.graph.onUpdate(function(){c.update()})},Rickshaw.namespace("Rickshaw.Graph.Axis.Time"),Rickshaw.Graph.Axis.Time=function(a){var b=this;this.graph=a.graph,this.elements=[],this.ticksTreatment=a.ticksTreatment||"plain",this.fixedTimeUnit=a.timeUnit;var c=new Rickshaw.Fixtures.Time;this.appropriateTimeUnit=function(){var a,b=c.units,d=this.graph.x.domain(),e=d[1]-d[0];return b.forEach(function(b){Math.floor(e/b.seconds)>=2&&(a=a||b)}),a||c.units[c.units.length-1]},this.tickOffsets=function(){var a=this.graph.x.domain(),b=this.fixedTimeUnit||this.appropriateTimeUnit(),d=Math.ceil((a[1]-a[0])/b.seconds),e=a[0],f=[];for(var g=0;g<d;g++)tickValue=c.ceil(e,b),e=tickValue+b.seconds/2,f.push({value:tickValue,unit:b});return f},this.render=function(){this.elements.forEach(function(a){a.parentNode.removeChild(a)}),this.elements=[];var a=this.tickOffsets();a.forEach(function(a){if(b.graph.x(a.value)>b.graph.x.range()[1])return;var c=document.createElement("div");c.style.left=b.graph.x(a.value)+"px",c.classList.add("x_tick"),c.classList.add(b.ticksTreatment);var d=document.createElement("div");d.classList.add("title"),d.innerHTML=a.unit.formatter(new Date(a.value*1e3)),c.appendChild(d),b.graph.element.appendChild(c),b.elements.push(c)})},this.graph.onUpdate(function(){b.render()})},Rickshaw.namespace("Rickshaw.Graph.Axis.Y"),Rickshaw.Graph.Axis.Y=function(a){var b=this,c=.1;this.initialize=function(a){this.graph=a.graph,this.orientation=a.orientation||"right";var c=a.pixelsPerTick||75;this.ticks=a.ticks||Math.floor(this.graph.height/c),this.tickSize=a.tickSize||4,this.ticksTreatment=a.ticksTreatment||"plain",a.element?(this.element=a.element,this.vis=d3.select(a.element).append("svg:svg").attr("class","rickshaw_graph y_axis"),this.element=this.vis[0][0],this.element.style.position="relative",this.setSize({width:a.width,height:a.height})):this.vis=this.graph.vis,this.graph.onUpdate(function(){b.render()})},this.setSize=function(a){a=a||{};if(!this.element)return;if(typeof window!="undefined"){var b=window.getComputedStyle(this.element.parentNode,null),d=parseInt(b.getPropertyValue("width"));if(!a.auto)var 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