Add a class for sub cats. #1930
Merge pull request #1941 from KingYes/master

Change phpDoc @return in Fantory class.
Rounding fixes, and link tax rows to tax rates by ID.

Also closes #1869 as it allows us to use 'codes' for tax rates instead
of their label. E.g. code US-AL-Tax-1. This lets users filter taxes in
reports easier.
Small fix for previous commit, for adding rows.
show hide panels. Closes #1942.
Clear count on delete. Closes #1945.
Fitlers for download names Closes #1944.
Checkout form JS. Closes #1954.
Clearfix Closes #1952.
Order counts Closes #1945
Image size option names. Closes #1953.
verified owner class
Load options in checkout class and ensure hooks are available to change the options. Closes #1950.
Ajax view cart. Closes #1948.
duh #1954
Some validation. Closes #1949.
Autocomplete if user tries to use full country name on tax page.
should resolve loop warnings. Closes #1962.
Backend views for refunds #1755
Coupon rework, reports, and styles. Closes #1862.