Fix #13789: Don't throw when module === null. Close gh-1269. Close gh-1280. (cherry-picked from eabb56c2)

Fix #13937: Correctly scope .finish() following multi-element .animate(). Thanks @gnarf37. Close gh-1279.

(cherry picked from commit 9cbd6898)

Fix #13793. Correct source map generation bugs. Close gh-1275. (cherry-picked from commit 997da311)

(cherry picked from commit 5e8a5f4a)

(cherry picked from commit eaee6eae)

Conflicts:
	AUTHORS.txt

(cherry picked from commit 8ab32fe3)

(cherry picked from commit d8a35011)

(cherry picked from commit 3971c2eb)

(cherry picked from commit b5580a98)

Conflicts:
	.mailmap
	AUTHORS.txt

Related: https://github.com/jquery/sizzle/issues/209

(cherry picked from commit 9c4a4285)

(cherry picked from commit 18cccd04)

(cherry picked from commit ad71f47b)

(cherry picked from commit d8f7e837)

(cherry picked from commit 67a080b2)