Fixes #10668
Closes gh-1362
(cherry picked from commit e5e3ca4)

Ref gh-1363
(cherry picked from commit 0fccf94)

Closes gh-1363
(cherry picked from commit 14c4eae)

(cherry picked from commit b2a477f)

(cherry picked from commit 1fb0879)

Fixes #10035
Closes gh-1246
(cherry picked from commit 06231cf)

(cherry picked from commit ae577ae)

Fixes #10684
(cherry picked from commit 809cc0f)

Conflicts:

	ui/selectmenu.js

Fixes #9621
Closes gh-1383
(cherry picked from commit 6a242ab)

Closes gh-1386
(cherry picked from commit 347b2a5)

(cherry picked from commit fe75984)

Closes gh-1409
(cherry picked from commit 713688d)

Closes gh-1403
(cherry picked from commit c89cb74)

Fixes #10703
Closes gh-1413
(cherry picked from commit ab798cb)

This reverts commit 7f808b2.

Fixes #8710
Ref gh-1071
(cherry picked from commit ebaaca7)

Ref #8710
Closes gh-1071
(cherry picked from commit 4de983c)

Fixes #10747
Ref gh-1417
(cherry picked from commit c66842b)

Fixes #10748
Closes gh-1417
(cherry picked from commit faefab8)

(cherry picked from commit c217007)

(cherry picked from commit 0566e99)

(cherry picked from commit d3bb0f7)

(cherry picked from commit a3b43ee)

Fixes #10721
Closes gh-1398
(cherry picked from commit ae1d6d5)

Clarify that PHP is not required for testing, add a link to the
CONTRIBUTING page and tidy up.

Closes gh-1418
(cherry picked from commit 8cc636d)

(cherry picked from commit 337e411)

Fixes #10590
(cherry picked from commit 9493839)

Fixes #9604
Closes gh-1443
(cherry picked from commit 17c7f69)

It's already in jQuery's Jenkins node-testswarm config
(and set to the same value) but not used yet.

Reference it to make sure it keeps working in the future.

Closes gh-1452
(cherry picked from commit 1e7a1e8)

This addresses a bug where users initialize empty sortable lists are
add items dynamically. In this situation refresh() should recognize the
position and orientation of the new items.

Fixes #7498
Closes gh-1381
(cherry picked from commit f656aeb)

Fixes #10669
(cherry picked from commit d8077dc)

Fixes #11125
Closes gh-1448
(cherry picked from commit ec1f393)

Fixes #9264
Closes gh-1287
Closes gh-1459
(cherry picked from commit 4b017b4)

Custom handlers did not work as jquery objects (outside the resizable element)

Fixes #9658
Closes gh-1445
(cherry picked from commit 18e301f)

Fixes #4666
Closes gh-1324
Closes gh-1461
(cherry picked from commit 19783fd)

Fixes #11286
Closes gh-1465
(cherry picked from commit 60c00cd)

Closes gh-1447

Thanks Spencer Davis
(cherry picked from commit d95c23a)

When sorting tbody elements of a table the placeholder needs to have a tr with
td elements to be visible. The appended elements are created in the same way
as for the placeholder of a tr element; the first row of the sorted tbody is
used for that.

Fixes #10682
Closes gh-1380
(cherry picked from commit 962e05d)

The old success(), error() and complete() methods have been deprecated for a
while and have been removed in upstream master.

Closes gh-1455
(cherry picked from commit c1dfb98)

Fixes #8740
Closes gh-1053
Closes gh-1456
(cherry picked from commit c4e367b)