Replace "n hours ago" with "n hr"

h/static/scripts/test/time-test.js

@@ -14,7 +14,7 @@ var FIXTURES_TO_FUZZY_STRING = [
   [49, '49 sec'],
   [minute + 5, 'a minute ago'],
   [3 * minute + 5, '3 min'],
-  [4 * hour, '4 hours ago'],
+  [4 * hour, '4 hr'],
   [27 * hour, 'a day ago'],
   [3 * day + 30 * minute, '3 days ago'],
   [6 * month + 2 * day, '6 months ago'],

h/static/scripts/time.js

@@ -62,8 +62,8 @@ function nMin(date, now) {
   return '{} min'.replace('{}', Math.floor(delta(date, now) / minute));
 }
 
-function nHoursAgo(date, now) {
-  return '{} hours ago'.replace('{}', Math.floor(delta(date, now) / hour));
+function nHr(date, now) {
+  return '{} hr'.replace('{}', Math.floor(delta(date, now) / hour));
 }
 
 function nDaysAgo(date, now) {
@@ -84,7 +84,7 @@ var BREAKPOINTS = [
   [lessThanTwoMinutesAgo,       function () {return 'a minute ago';},  minute],
   [lessThanOneHourAgo,          nMin,                                  minute],
   [lessThanTwoHoursAgo,         function () {return 'an hour ago';},   hour],
-  [lessThanOneDayAgo,           nHoursAgo,                             hour],
+  [lessThanOneDayAgo,           nHr,                                   hour],
   [lessThanTwoDaysAgo,          function () {return 'a day ago';},     day],
   [lessThanThirtyDaysAgo,       nDaysAgo,                              day],
   [lessThanOneYearAgo,          nMonthsAgo,                            month],