fixed maxmin tick label positioning when axis is oriented 'top'

src/models/axis.js

@@ -95,7 +95,7 @@ nv.models.axis = function() {
                   return 'translate(' + scale(d) + ',0)'
                 })
               .select('text')
-                .attr('dy', '0em')
+                .attr('dy', '-0.5em')
                 .attr('y', -axis.tickPadding())
                 .attr('text-anchor', 'middle')
                 .text(function(d,i) {
@@ -253,7 +253,7 @@ nv.models.axis = function() {
               if (scale(d) < scale.range()[1] + 10 || scale(d) > scale.range()[0] - 10) { // 10 is assuming text height is 16... if d is 0, leave it!
                 if (d > 1e-10 || d < -1e-10) // accounts for minor floating point errors... though could be problematic if the scale is EXTREMELY SMALL
                   d3.select(this).attr('opacity', 0);
-                
+
                 d3.select(this).select('text').attr('opacity', 0); // Don't remove the ZERO line!!
               }
             });
@@ -319,7 +319,7 @@ nv.models.axis = function() {
   d3.rebind(chart, scale, 'domain', 'range', 'rangeBand', 'rangeBands'); //these are also accessible by chart.scale(), but added common ones directly for ease of use
 
   chart.options = nv.utils.optionsFunc.bind(chart);
-  
+
   chart.margin = function(_) {
     if(!arguments.length) return margin;
     margin.top    = typeof _.top    != 'undefined' ? _.top    : margin.top;