- Added the copyright to README.md as well as to the templates (along with the relative Git repository URL) via base.html
- Created LICENSE.txt that contains the GNU General Public License version 2 and referenced the latter in README.md
- Added the "Local settings file" section to settings.py and inserted local_settings.py to .gitignore
- Set DATABASES["default"]["OPTIONS"]["init_command"]#collation_connection to utf8mb4_unicode_520_ci in settings.py
- Changed the argument of the Apache ServerAlias directive from "userbase.softlab.ntua.gr" to "slub.softlab.ntua.gr slub.softlab.ece.ntua.gr" as shown in the "INSTALLING AND CONFIGURING THE APACHE WEB SERVER TO DEPLOY THE PROJECT" section of README.md