FEATURE: 2 new reports: time to first response, topics with no response

FIX: relativeAgeMediumSpan was off by 1
REFACTOR: extracted decimalAdjust & round functions from the poll plugin

plugins/poll/assets/javascripts/components/poll-results-number.js.es6

@@ -1,4 +1,4 @@
-import round from "discourse/plugins/poll/lib/round";
+import round from "discourse/lib/round";
 
 export default Em.Component.extend({
   tagName: "span",

plugins/poll/assets/javascripts/lib/decimal-adjust.js.es6

@@ -1,16 +0,0 @@
-// from: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Math/floor
-
-export default function(type, value, exp) {
-  // If the exp is undefined or zero...
-  if (typeof exp === 'undefined' || +exp === 0) { return Math[type](value); }
-  value = +value;
-  exp = +exp;
-  // If the value is not a number or the exp is not an integer...
-  if (isNaN(value) || !(typeof exp === 'number' && exp % 1 === 0)) { return NaN; }
-  // Shift
-  value = value.toString().split('e');
-  value = Math[type](+(value[0] + 'e' + (value[1] ? (+value[1] - exp) : -exp)));
-  // Shift back
-  value = value.toString().split('e');
-  return +(value[0] + 'e' + (value[1] ? (+value[1] + exp) : exp));
-}

plugins/poll/assets/javascripts/lib/round.js.es6

@@ -1,5 +0,0 @@
-import decimalAdjust from "discourse/plugins/poll/lib/decimal-adjust";
-
-export default function(value, exp) {
-  return decimalAdjust("round", value, exp);
-}