This patch adds three short cut buttons to the calc paste special
dialog: paste values only (numbers, strings, dates), paste values and
formats, and paste transposed.

Change-Id: Ie70fbaa28976b2311b1d9cf53b094a5083fb42d4
Reviewed-on: https://gerrit.libreoffice.org/10928Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>