crop calendar event details in IE8/9. fixes #CNVS-1168
crop calendar event details in IE8/9. fixes #CNVS-1168

event descriptions with words > 58 characters no longer
overflow the event pop-up.

test plan:
  * create an event whose description has a word > 58 characters;
  * in IE 8 or 9, click the event in calendar 2 and verify that
    the event description renders properly.

Change-Id: I9a58781fee25116e4592ffc8e6b9dd6f55b7a8ad
Reviewed-on: https://gerrit.instructure.com/15594
Tested-by: Jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@instructure.com>
Reviewed-by: Marc LeGendre <d33c80bc45d65303e33ca83108a9952b745af9ef@instructure.com>
Reviewed-by: Jon Willesen <eb5ce5e6a76c243326fecfa94534101600f87bd9@instructure.com>
QA-Review: Zach Pendleton <514dbb4d54d4f29e454990df7d075678f43f92aa@instructure.com>
Reviewed-by: Zach Pendleton <514dbb4d54d4f29e454990df7d075678f43f92aa@instructure.com>
Tested-by: Zach Pendleton <514dbb4d54d4f29e454990df7d075678f43f92aa@instructure.com>

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