Documentation updated - Overview of GWT application architecture based on GWT-PF article was added.

This overview will help to understand the place and role of GWT-PF in the project.

We are going to take part in Ukrainian Conference for Free Software Developers and Users" during 26-27 of October 2007.

According preliminary conference plan we would have a speech at 17:40 27/10/2007.

Speech topic:   Rich-web user interfaces, projects for creating UI for relation-based (GWT-PF) and semantic-based (ODB-UI) data models.

Short description:   Rich-web UI development, technologies, GWT (Google Web Toolkit). Data representation approaches and appropriate projects for creating UI to them - open source GWT-PF for relation-based models, ODB-UI prototype for semantic models.