New features

• Composer way loading dependencies ready.

• Composer way loading overture/wechat library.

Follow up on SA-CONTRIB-2017-062: Arbitrary Views exposed over API
Implementation of #2900460: Make the Views Resource enforce better security practices..

This release is the Release Candidate version for the final fix for SA-CONTRIB_2017-062.

It forces secure practices.

Issue #2897176: Restriction of taxonomy terms in other form fields. Other taxonomy term relation fields than than autocomplete widget (like drop-down) are restricted now. Fixed access restriction logic. Merged Behat tests into module. Re-factored and extended tests.

Flickity 2.x library branch.

Issue #2762065 by swim, vaplas, toni4i: fix library settings dependency name
Issue #2717397 by smk-ka: Flickity attached multiple times
Issue #2706383 by b_sharpe, O U T L A W: Flickity entity reference field formatter