Only create Travis screenshots if the directory exists

2942350: Pages and Landing page as featured in landing pages

#2982134 by jochemvn: Allow SM to entity reference search by email

#2925194: Update to current patch for url_embed cache to allow for different cache backends

Issue #2979402: Remove activity overview statistics block from left landing page region

Issue #2840694: update activity stream pager types to mini pagers

Issue #2973550 by Makishima: Fix redirection to the group after user join

* DS-5350 by serhiy-chornobay: Update bootstrap to 3.11. Remove unnecessary patch for bootstrap

* Update bower-asset bootstrap to v4.1.1

* Revert bower-asset bootstrap to v.3.3.7

* Issue #2964693 by chmez: Update "Address" module from 1.3 to 1.4.

* Issue #2964693 by chmez: Fix mistake in a syntax of JavaScript replace method.

* Issue #2964693 by chmez: Improve command in Behat test for searching button on the modal window for loading image in the WYSIWYG editor.

* Issue #2964693 by chmez: Improve command in Behat test for searching a button on the modal window for inserting video in the WYSIWYG editor.

Issue #2974781 by Makishima: Makes the image for featured book pages clickable

Update r4032login to 1.0-beta2

Issue #2971411 by Makishima: Fix broken spacing between featured sections

#2932250 by bramtenhove: Remove the interval check for items in the daily digest

Issue #2925194 by Kingdutch: Update to current patch for url_embed cache to allow for different cache backends.

Issue #2941556 by Kingdutch, jaapjan, bramtenhove: Editing posts in a…

#2976036 - Add comment on node in group to activity stream (again)

DS-5713:make sure embed for LU works for all combinations of modules

* OSSUPPORT-904 by jaapjan: Interacting directly with the RawDrupalContext:: property has been deprecated. Use RawDrupalContext::getUserManager->getCurrentUser() instead.

* Cannot use isset() on the result of an expression.

* Use the usermanager like this.