Merge pull request #1849 from openbaypro/master

OpenBay update.
Merge pull request #1850 from openbaypro/master

Changes to install to auto enable / disable during install / uninstall
more module work done
Merge branch 'master' of https://github.com/opencart/opencart

Conflicts:
	upload/admin/controller/feed/openbaypro.php
Pagination fix for uploaded files.

Updated event trigger for paypal login/logout.
Merge branch 'master' of https://github.com/opencart/opencart
Added PayPal no shipping flag.

REF: https://github.com/opencart-ce/opencart-ce/commit/c469c3ab1111e35d816ae566be13661bbe60a568
* Changed PayPal cardissue to issuenumber variable for PayPal Pro

REF: 1822
Update response method for redirect.

Close #1797
Fixed incorrect display of results for marketing report.
Added index page cannonical issue when route=common/home param is used.
https://github.com/opencart/opencart/issues/1848
update for modules
Merge branch 'master' of https://github.com/opencart/opencart
panel css update
removed the additional panels for testing.
image placement added back
fix for settings
more image placeholders done
Removed the addEvent remove SQL, modules can use multiple triggers for different reasons.