Add buttons now set focus to the first input in the first added row.
These inputs have been given descriptive labels. Delete buttons set
focus to the entire table (or the table showing that no one has
access).

Change-Id: Ie04c46673395658b5d6a39b29306de456ae37d81
Signed-off-by: Jono Mingard <jonom@catalyst.net.nz>