Bug 17353: Add phone number column to checkout search

Bug 17353: Add phone number column to checkout search

This patch adds borrowers.phone as 'Primary phone' in the checkout
search results. It also ads the table to columns configuration

To test:
1 - Perform a checkout search
2 - Note phone is not displayed
3 - Apply patch
4 - Note phone does not display
5 - Visit columns configuration
6 - Unhide the 'phone' column
7 - Note phone displays
8 - Ensure page functions as before patch

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>