tmf: Add support for event table range selection

tmf: Add support for event table range selection

TmfVirtualTable:
- Support the SWT.MULTI style
- Support Shift-click and Shift-key for event range selection
- Update API to support selection range
- Prevent Select All from modifying selection
- Inhibit Ctrl and Command key modifiers

TmfEventsTable:
- Create table with SWT.MULTI style
- Support selection time range
- Update status line manager with time range delta

TmfEventsEditor:
- Provide status line manager to events table

Change-Id: I16aa44f444bd1288c93b964b40e77cb04158b46d
Signed-off-by: Patrick Tasse <patrick.tasse@gmail.com>
Reviewed-on: https://git.eclipse.org/r/14522
Tested-by: Hudson CI