Bug 453543 - RAP/SWT: Only left mouse-click should toggle checkable cell
of an editable table
https://bugs.eclipse.org/bugs/show_bug.cgi?id=453543

Changed implementation that checkable rows or editable, checkable cells
are only toggled when fired by the left mouse-button.

Change-Id: I5c828eec4f8d9ab15eabd64bbcb884097e100535
Reviewed-on: https://git.eclipse.org/r/37292
Tested-by: Hudson CI
Reviewed-by: Andreas Hoegger <Andreas.Hoegger@bsiag.com>
Reviewed-on: https://git.eclipse.org/r/37414
Reviewed-by: Daniel Wiehl <daniel.wiehl@bsiag.com>
Bug 453747 - RAP: Application fails to shut down ordinary
https://bugs.eclipse.org/bugs/show_bug.cgi?id=453747

Callback on httpSessionInvalidation may not thrown an exception if
platform is not available anymore.

Change-Id: I23aa5f5d1c62c06e62271c3d5b8b8e2d7ccd1a3a
Reviewed-on: https://git.eclipse.org/r/37394
Tested-by: Hudson CI
Reviewed-by: Bruno  Koeferli <bruno.koeferli@bsiag.com>
Reviewed-on: https://git.eclipse.org/r/37415