v1.2:
- better search interface;
- option to search from specific chats and contacts;
- support for multiple tabs in search results;
- maximize chat button in chat page;
- changed icon;
- updated main notebook control to FlatNotebook;
- more toolbars in UI;
- rearranged tab order in database page;
- fixed a bug on opening a database with no account image;
- fixed showing contacts with no full name or display name;
- fixed a minor layout issue in chat statistics;
- fixed formatting very first search results;
- file drag-drop works on entire application window;