explicitly require jquery in coffeescript modules

test plan:
 - no javascript-based pages break :\

Change-Id: I00f4bcaa5e6d239d274eeee4245a19606dfe651f
Reviewed-on: https://gerrit.instructure.com/30460
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Ryan Shaw <ryan@instructure.com>
QA-Review: Matt Fairbourn <mfairbourn@instructure.com>
QA-Review: Steven Shepherd <sshepherd@instructure.com>
Product-Review: Mark Severson <markse@instructure.com>