* Remove deprecated classes

* Remove support for certificate fingerprints

* Remove many deprecated methods and pieces of code

* Remove SAML1.1/Shib1.3 support

* Remove many superfluous annotations

* Update unit test to work with new PHPunit

Closes #1268 
Closes #1020 
Closes #431 
Closes #167 
Closes #151 

* Migrate assertions to Webmozart

PSR-12 compliancy

closes: #473

http_response_code() was introduced in 5.4 and that's our minimum now

Add translated error info in data for error template. This is needed in order for theming error page with Twig.

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

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

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

Stop calling SimpleSAML_Session::getAttributes() in SimpleSAML_Error_Error class. Use an alternate way to try to fetch user's mail.

Rename SimpleSAML_Session::getInstance() to SimpleSAML_Session::getSessionFromRequest(), and leave the former as deprecated.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@3314 44740490-163a-0410-bde0-09ae8108e29a

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@3267 44740490-163a-0410-bde0-09ae8108e29a

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2997 44740490-163a-0410-bde0-09ae8108e29a

This patch also changes the MetadataNotFound and NoState errors to use this structure.

Thanks to Andjelko Horvat for implementing this.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2773 44740490-163a-0410-bde0-09ae8108e29a

Thanks to Andjelko Horvat for implementing this.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@2724 44740490-163a-0410-bde0-09ae8108e29a