add ability to restore lost streaks, also add int() view helper

function (pretty cool actually, https://groups.google.com/forum/?fromgroups#!topic/derbyjs/otFCLu2p7yY)

src/app/helpers.coffee

@@ -70,6 +70,9 @@ viewHelpers = (view) ->
   view.fn "or", -> _.reduce arguments, (cumm, curr) -> cumm || curr
   view.fn "truarr", (num) -> num-1
   view.fn 'count', (arr) -> arr?.length or 0
+  view.fn 'int',
+    get: (num) -> num
+    set: (num) -> [parseInt(num)]
 
   view.fn "gems", (gp) -> return gp/0.25
 

views/app/tasks.html

@@ -285,6 +285,9 @@
                         <button type="button" class="task-action-btn tile {#if equal(:task.priority,'!!')}active{/}" data-priority='!!' x-bind=click:tasksSetPriority>Medium</button>
                         <button type="button" class="task-action-btn tile {#if equal(:task.priority,'!!!')}active{/}" data-priority='!!!' x-bind=click:tasksSetPriority>Hard</button>
                     </div>
+
+                    <legend class="option-title">Restore Streak</legend>
+                    <input class='option-content' type=number value={int(:task.streak)} />
                 </fieldset>
             {/}