Initial code

Initial Version, tags and filename in Bookmark table, only one DBManager
class for all,
Separate manager and table for tags and files and bookmarks, multiple
files UI
DB Tag handling and file retrieval, etc

Implemented tag handling by DB, File Retrieval by DB, some
BookmarkEditDialog tag and file handling
File management and transactions, trash

Implemented file management (both db and disk) and improved and almost
completed BMEditDialog's file handling, transactional file operations,
also implemented File trashing (not viewing the trash).
Add/Edit dialog and DefFile

Worked on the Add/Edit dialog more and almost implemented the DefFile.
Worked more on file handling and file transactions.
DefFile and editdialog's files context menu

Worked on default file selection and editdialog's attached files context
menu preparation.
EditDialog improvements, date for bookmarks

Default file selection completed, Rename and Remove in BMEditDlg
implemented, bugfixes, added adding date property for bookmarks.
FileViewManager, bugfixes

Implemented FileViewManager as a new manager, bugfixes.
Implemented MainWindow selection saving, bugfixing.
Add/Edit dialog file selection improvement

Small improvement for file selection in Add/Edit dialog.