cache 'everyone' search result in new conversations

fixes CNVS-12865

test plan
- as a teacher in new conversations, compose a new message
- select 'all in course' from the people picker drop down
- ensure that 'all in course' can be selected
- ensure that the message can be sent and is delivered to all
 users in the course

Change-Id: I6f2e0ad30ca2a09e52b4b5b764f3c21ecc0628f0
Reviewed-on: https://gerrit.instructure.com/34291
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Jon Willesen <jonw@instructure.com>
QA-Review: Steven Shepherd <sshepherd@instructure.com>
Product-Review: Joel Hough <joel@instructure.com>
bump ruby-saml-mod version

fixes CNVS-12871

test plan:

* regression test on saml logins
* the saml login redirect should not contain newlines encoded in the
  base64 (%0A characters)

Change-Id: I28470ce165ec1f8a90cfb22983d49d017bb72b80
Reviewed-on: https://gerrit.instructure.com/34311
Reviewed-by: Rob Orton <rob@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
QA-Review: August Thornton <august@instructure.com>
Product-Review: Brian Palmer <brianp@instructure.com>
fix collapsed module title css

test plan:
* with draft state enabled, create a module
* collapse the module
* confirm that the title is not hidden

fixes #CNVS-12607

Change-Id: I06c6c884b3c5756d2a1f84b55df9dcedb784404d
Reviewed-on: https://gerrit.instructure.com/34386
Reviewed-by: Jeremy Stanley <jeremy@instructure.com>
QA-Review: Nathan Rogowski <nathan@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: James Williams  <jamesw@instructure.com>
backport g/34434 from master

this commit applies the fix in
454879774464f926f90b8d787b3707c9e2e187a1

to pre-import-refactor release branch

Change-Id: Id8921c5ae5ca0d56eb93ce50c0e1d4b18c023998
Reviewed-on: https://gerrit.instructure.com/34497
Reviewed-by: Brian Palmer <brianp@instructure.com>
Product-Review: Brian Palmer <brianp@instructure.com>
QA-Review: Brian Palmer <brianp@instructure.com>
Tested-by: Brian Palmer <brianp@instructure.com>
treesame commit of origin/stable/2014-05-03

Treesame-Commit-Id: 1f231d1369a4fbfeac4211524210b87d6e1a669a