Fixed constant value cropping to option setting

I don’t think that it is the right way to set the cropping by checking
if the ‚crop’ option is set because it could have been set to 0 in the
options. In that case it would be cropped either way because isset
would also return true.
Looks Better with capital starting
Merge pull request #6612 from axisthemes/grunt

Looks Better with capital starting
[2.2] Low stock report should hide no stock

Closes #6611
Fixes for sales by cat report, Closes #6606
Merge pull request #6596 from krautnerds/fix-cropping-in-core-function

Fixed cropping function to respect option settings
Instead of using saved title from order, use payment method_title for refund buttons

Closes #6334
System status table separation Closes #6290
Typo in the system report
Merge pull request #6617 from SiR-DanieL/patch-1

Typo in the system report
Unit Tests: Added test_get_cart_url method
Merge branch 'master' of github.com:woothemes/woocommerce
WC cart codestyle
Unit Test: Added delete_product helper method.
Unit Tests: product helper codestyle
Unit Tests: Added test_find_product_in_cart method
Unit Test: use correct product helper method.
Unit Tests: added test_generate_cart_id method
Remove # (hash) from get_order_number and add to strings instead as needed.

Most places use Order #X
Some places use Order Number: X

Both are now valid.

Fixes #6518
Added return statement to set_quantity