Added a new common util called $.timefor.

It will use $.timeago behind the scene and it does the opposite of what $.timeago does.

$.timefor("Thu Jun 05 2016 23:40:39 GMT+0300 (EEST)") will return "3 days remaining".

app/assets/javascripts/lib/common_utils.js.coffee

+((w) ->
+
+  jQuery.timefor = (time, suffix, expiredLabel) ->
+
+    return '' unless time
+
+    suffix       or= 'remaining'
+    expiredLabel or= 'expired'
+
+    jQuery.timeago.settings.allowFuture = yes
+
+    { suffixFromNow } = jQuery.timeago.settings.strings
+    jQuery.timeago.settings.strings.suffixFromNow = suffix
+
+    timefor = $.timeago time
+
+    if timefor.indexOf('ago') > -1
+      timefor = expiredLabel
+
+    jQuery.timeago.settings.strings.suffixFromNow = suffixFromNow
+
+    return timefor
+
+) window