Update composer libraries

[wilsonge]

Pull Request for Issue #10835 .

Summary of Changes

Updates phpmailer, joomla registry, symfony polyfill (php 5.6), symfony yaml to their latest versions

Testing Instructions

Registry is used everywhere. So navigate around and check for errors. Yaml isn't used by core. If possible test in PHP < 5.6 to test the polyfill and check emails still send for phpmailer.

[brianteeman]

I have tested this item ✅ successfully on e716894

Seems ok - sendtestmail still works. No errors navigating around. Not sure what polyfil is used for

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[wilsonge]

The 5.6 polyfill is used to make the hash_equals function available on PHP 5.3, 5.4 and 5.5. So check logging in with passwords still works properly on those php versions

[brianteeman]

I have tested this item 🔴 unsuccessfully on e716894

OK something went wrong.
Admin is fine but front end fails to load with this in the logs

Call to a member function getDefault() on a non-object in libraries/cms/router/site.php on line 266

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[brianteeman]

Under php7 I get

Error displaying the error page: Call to a member function getActive() on null: Call to a member function getDefault() on null

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[wilsonge]

Woohoo so Joomla's been shipping sample data with invalid JSON since 2012 - we just never had error handling :P Fixed for existing data sets and dealt with the invalid JSON

[brianteeman]

The error on the homepage has gone now

[brianteeman]

I have tested this item ✅ successfully on 4c258c5

Tested creating users and logging in under multiple php versions 5.4, 5.5, 5.6, 7
Tested sending mail using the testmail function in global config

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[viocassel]

I have tested this item ✅ successfully on 4c258c5

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[brianteeman]

RTC

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[mbabker]

@wilsonge What version of Composer do you have? Current Composer versions are generating a autoload_static.php file which isn't added in this PR.

[wilsonge]

Georges-MacBook-Pro:~ george$ composer --version
Composer version 1.0.2 2016-04-21 12:30:18

Just updated to 1.2.0

[mbabker]

About time! 😜