A very large number of improvements made to the software

Programs like GetPozition, HrefSystem, Mailer [Server], PassWeb have been refreshed and missing functionality has been added. Changed jQuery to newer version, changed jQuery to newer version in libraries, improvements concerning database, changed MySQL/MariaDB database driver to constant connections, small changes in language version of installer, changed minimal PHP version on which you can run the software to version 7, improved font file access in password reminder option, changed date in program footer, changed message in program header, added to users table unique value for e-mail field, improved adding references when changing prefix for tables and few other changes.

I hope you will like the changes I've made to the programs.