Convert to our wrapper class for assertions

* Migrate assertions to Webmozart

PSR-12 compliancy

correct exampleauth namespace name

Fix Psalm-issues in the modules-directory

I had to rename the class because 'static' is a protected keyword, but forgot to rename the file

I had to rename the class because 'static' is a protected keyword, but forgot to rename the file

I had to rename the class because 'static' is a protected keyword, but forgot to rename the file

This reverts commit ef36c5fd.

All a bit too involved right before a planned release.

Also, convert to PSR-2 where that was still lacking in these files.

(being respectful with occurences that might change the behaviour, i.e. default database prefixes)

Refactor SimpleSAML\Utils\Arrays::normalizeAttributesArray() to SimpleSAML\Utils\Attributes::normalizeAttributesArray().

Move SimpleSAML_Utilities:: redirectTrustedURL() to SimpleSAML\Utils\HTTP:: redirectTrustedURL() and deprecate the former.

Solve a security issue with some modules (not validating URLs we are redirecting to) by moving the check to the SimpleSAML_Auth_State::loadState() method.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@3336 44740490-163a-0410-bde0-09ae8108e29a