Update for PHP 5.3 compatibility and new Magento marketplace compatibility

Update for PHP 5.3 compatibility and new Magento marketplace compatibility

Minor styling updates

Minor styling updates thanks to Magento. These are required to move to the Magento app marketplace. These were:

File: Line: 108 app/code/community/TBT/Enhancedgrid/controllers/Catalog/ProductController.php
Message: Use of die language construct is discouraged.
Recommendation: setBody() response object method should be used.

File: Line: 89 app/code/community/TBT/Enhancedgrid/Block/Widget/Grid/Column/Renderer/Image.php
Message: Identical operator === is not used for testing the return value of strpos function
Recommendation: Use the === operator for testing the return value of this function.

Minor bug fixes, cleanup and Magento Connect package fix

Fixes missing template files in Magento Connect package, fixes a 404 error on the products page and cleans up some code.

Minor fixes

A few minor fixes thanks to some community members.

SUPEE-6788 (Magento 1.9.2.2) compatibility

SUPEE-6788 (Magento 1.9.2.2) compatibility added and some clean-ups.