Revert "Issue #1887046 by Sutharsan: Convert drupal_http_request() usage in install.core.inc to Guzzle."

This reverts commit bab6874e.

Issue #1885868 by larowlan, swentel, Berdir: Fixed NodeRevisionsTest.php contains two classes, not PSR-0.

Issue #1892158 by dawehner, damiankloip: Added Only allow machine like names for the field alias row plugin.

Issue #1855114 by kiamlaluno: Fixed system_form_user_register_form_alter() and system_form_user_profile_form_alter() return a reference parameter they get.

Issue #1751606 by swentel, ry5n, mrfelton, nod_, sun, sannejanssen: Move published status checkbox next to 'Save'.

Issue #1849564 by attiks, Rob Loach, fago: Add the symfony validator component to core despite Symfony potentially releasing BC-breaking updates after 2.3.

Caused a conflict with a higher-priority patch; temporary rollback for now.

This reverts commit ba6d3fb7.

Issue #1885510 by YesCT, aspilicious: Fixed Can't install on some systems (like windows) due to folder permissions (executable check not needed).

Issue #1892836 by dawehner, alexpott: Use user/autocomplete instead of views own autocomplete function.

Issue #1825592 by alexpott: Add --repeat and --die-on-fail to run-tests.sh to make random test failure diagnosis easier.

Issue #1877632 by fago, jhodgdon: Improve comments and clean-up code for EntityNG and the TypedData API.

Issue #1266572 by znerol: Fixed Workaround in UpdateQuery_sqlite() for affected rows count causes certain updates to be suppressed.