Merge branch 'issue_14206' into 'master'

Fix datetimes on tooltips

Closes #14206 

Updates tooltip datetimes on `.timeago()` instances. 

**Inline notes**

![Screen_Shot_2016-04-07_at_1.25.12_PM](/uploads/2f55390a7e91dabf75e71fe3bda91849/Screen_Shot_2016-04-07_at_1.25.12_PM.png)

**Existing and new notes**

![Screen_Shot_2016-04-07_at_1.24.49_PM](/uploads/202bb7476738eb048f2d94abb68174e7/Screen_Shot_2016-04-07_at_1.24.49_PM.png)


**Issuable dates**

![Screen_Shot_2016-04-07_at_1.24.32_PM](/uploads/80fd5cc3c06fade0b1c615bc7b7611a8/Screen_Shot_2016-04-07_at_1.24.32_PM.png)

**Build dates**

![Screen_Shot_2016-04-07_at_1.25.02_PM](/uploads/832f43284005ea610a3ad54a49b97104/Screen_Shot_2016-04-07_at_1.25.02_PM.png)

See merge request !3497

1 files changed, 17 insertions, 0 deletions

diff --git a/app/assets/javascripts/lib/datetime_utility.js.coffee b/app/assets/javascripts/lib/datetime_utility.js.coffee
new file mode 100644
index 00000000000..ad1d1c70481
--- /dev/null
+++ b/app/assets/javascripts/lib/datetime_utility.js.coffee
@@ -0,0 +1,17 @@
+((w) ->
+
+  w.gl ?= {}
+  w.gl.utils ?= {}
+
+  w.gl.utils.formatDate = (datetime) ->
+    dateFormat(datetime, 'mmm d, yyyy h:MMtt Z')
+
+  w.gl.utils.localTimeAgo = ($timeagoEls, setTimeago = true) ->
+    $timeagoEls.each( ->
+          $el = $(@)
+          $el.attr('title', gl.utils.formatDate($el.attr('datetime')))
+    )
+
+    $timeagoEls.timeago() if setTimeago
+
+) window