Delete File operation added.
Info Pane fix.
Merge remote-tracking branch 'origin/DevDeleteFile' into Dev_CopyFile

Conflicts:
	src/main/java/gr/teicm/mp/thefmanager/gui/MainForm.java
Merge remote-tracking branch 'origin/master' into Dev_CopyFile

Conflicts:
	src/main/java/gr/teicm/mp/thefmanager/DAO/FileDAO.java
	src/main/java/gr/teicm/mp/thefmanager/DAO/IFileDAO.java
	src/main/java/gr/teicm/mp/thefmanager/gui/MainForm.java
Αντιγραφή φακέλων, ερώτηση αντικατάστασης, όλα με δεξί click copy από table paste στο tree.