Changed styles in teaching
Added button in display to remove professor. Button is mock, need to implement action
Refactored. A selected teaching is not a signed teaching
Changed style in display
Added remove button to display
Started refactoring to use a fxml and a controller as a frame instead of a single java class
Implemented Back button
Set action for signButton
Added "X" for special cases dni's
Show back and sign buttons when teachings are displayed
Extract buttons Back and Sign to another fxml. Started refactoring frame
Major refactoring getting advantage of fx:include in fxml files. Need to keep refactoring code and maybe package structure