improves user blocking
updates schema file
more callback hooks and helper functions
Merge branch 'develop' into release/4.4.0
Merge branch 'develop' into release-future/4.4.0
more hooks
Merge branch 'develop' into release-future/4.4.0

Conflicts:
	app/Locale/deu/LC_MESSAGES/default.po
	app/Locale/eng/LC_MESSAGES/default.po
	app/Test/Case/Controller/ContactsControllerTest.php
	app/Test/Case/Controller/UploadsControllerTest.php
	app/webroot/dist/main.min.js
dev convenience
sets debug mode to 0 again
refactors smiley code
renames PHPCS ruleset.xml to recognize it in phpstorm
adds PHPMD to composer dev-requirements
appendix to smiley refactoring
fixes failing test cases
refactors BbcodeSettings
updated editor config
improves paginator navigator performance
Merge branch 'develop' into release-future/4.4.0
new Saito Event Manager and hooks
implements user-ranks as plugin