Revert "Merge pull request #45 from MaddieLvrg/GUI"

This reverts commit 31cf164d59a5dc53411c1544e6b7d7b6493e7661, reversing
changes made to 75597683a8b2c927cd258961270db082cd87268e.
Merge branch 'master' of https://github.com/Lastiritas/Software-Engineering
Merge branch 'master' of https://github.com/Lastiritas/Software-Engineering
Merge branch 'master' of https://github.com/Lastiritas/Software-Engineering
Merge branch 'master' of https://github.com/Lastiritas/Software-Engineering
Merge branch 'master' of https://github.com/Lastiritas/Software-Engineering
Implementation of Database

The application will need the library hsqldb.jar located on the lib
folder.