Switched email parser tests to the object manager.
Code cleanup.
Switched html utils tests to the object manager.
Switched layout tests to the object manager.
Switched layout tests to the object manager.
Revert "Updated CPAN module Selenium::Remote::Driver to version 0.2102."

This reverts commit b9775cf815387bcf9e7be9fe0bcd34bdf2e6780b.

Conflicts:
	CHANGES.md
Code cleanup.
Fixed delete button look and feel.
Prevent server error if PGP module could not be loaded.

-e.g. if gpg path is wrong.
Fixed search button.
Added missing column.
Revert "Added missing column."

This reverts commit a32ee763b7d1dfac33a09e71115320414c9ab8b2.
Code cleanup.
Added missing use clause.
Revert "Code cleanup."

This reverts commit 5cf9fb408a3b5d44977bfc8676fc3fd848b5cabc.
Changed behavior when gpg bin is not found to make it more consistent with AdminSMIME.
Prevented endless certificate details shown.
Fixed ProcessManagement based ACL migration.
Added missing source parameter.
Merge remote-tracking branch 'upstream/master' into otrs-master