commented out code using an old util API hence having the wrong syntax
Merge pull request #328 from davherrmann/issue#327

commented out code using an old util API hence having the wrong syntax
Integrated SettingsView
Added Tab "User" and "Schuljahre"
Added "Lehrmittelkategorien"
Switched to in-table editing
Deleted unused Methods
Fix delete buttons
Fix MainUI
Added message type: tray notification
Merge pull request #329 from jidel/issue#219-settingsview

Issue#219 settingsview
Merge pull request #331 from jidel/issue#330-traynotification

Added message type: tray notification
Updated MessageEvent with a caption
Added Constructor(String, Type);
Merge pull request #333 from jidel/issue#330-traynotification

Updated MessageEvent with a caption
changed relationship between Student and Parent entities to @ManyToOne
(instead of @OneToOne)
cleanup - removed unnecessary string from log pattern
Merge pull request #334 from davherrmann/issue#320

changed relationship between Student and Parent entities to @ManyToOne
Merge pull request #336 from davherrmann/issue#335

cleanup - removed unnecessary string from log pattern
Merge branch 'currentDev' into issue#269-manual_lending_popup