Merge pull request #70 from drbyte/v160

ISSUE-146 - Add banner graph widget stub (needs work)
Merge branch 'v160' of https://github.com/zencart/zc-v1-series into v160
Merge pull request #74 from ajeh/v160

ot_gv has a redundant configuration setting for order-status
Button action problem on zc_install database-upgrade selections
The "Clean Install" button was doing "Database Upgrade" action, which was incorrect.
Merge pull request #80 from drbyte/v160

Button action problem on zc_install database-upgrade selections
Merge branch 'v160' of https://github.com/zencart/zc-v1-series into v160