User can now login with a username and password from the database
Created the database connection and wrote login and get scores queries
Patient overview is now an overview with a table, the graph screen is now in the patientgraph.java file
Renamded 'Scores' object to 'Score' and made the attributes resemble the table of the same name in the database
Created models for the User and Patient ('bewoner') tables
Created session file
Changed showX() methods again because of name changes.
Pushing classes for the extra commitz, lel