Update jQuery to 1.11.3

Includes script-loader changes.

​http://blog.jquery.com/2015/04/28/jquery-1-11-3-and-2-1-4-released-ios-fail-safe-edition/

Changelog:

• ​https://github.com/jquery/jquery/issues?q=milestone%3A1.11.3%2F2.1.4
• ​https://github.com/jquery/jquery/compare/1.11.2...1.11.3

Oops, and now with noConflct too

In 32978:

Update jQuery to 1.11.3:
​http://blog.jquery.com/2015/04/28/jquery-1-11-3-and-2-1-4-released-ios-fail-safe-edition/

Changelog:

• ​https://github.com/jquery/jquery/issues?q=milestone%3A1.11.3%2F2.1.4
• ​https://github.com/jquery/jquery/compare/1.11.2...1.11.3

Props peterwilsoncc.
Fixes #32794.