Changes since beta 2:

- Improved Table Designer
- Properties window added (now used for table designer, more to come)
- Consistent window closing, data saving, removing, editing, consistent questions
- Table designs (and other design types, in the future) are now saved only when needed, on demand
- Renewed Query Designer
- "Data" menu added, with possibility of saving current table row
- Internal and external, QtDesigner-like, Form Designer
- Main window's (global) actions' availability is better updated
- large binary/text data objects are storable in projet's database (used e.g. for storing Form Designer's XML Form definitions)
- many improvements in KexiDB library