what we really want to do is rewrite the order of how plugin are
installed compared to core - but as that won't happen in the short
term what we can do to fix this problem is put the blocktype.text
upgrade after the adding in of the 'shortcut' category item.

Change-Id: Ib2ec695de73754f8e35f2284577e7fdf15fe0a6d
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>