Order refund #1755.
Only show actions when needed. #1755
Merge pull request #1980 from andreibarabas/master

Fix Issue #1833
removed refunds
Put holds on stock until orders are cancelled. Closes #1977.
Order data/fixed keys. Closes #1981.
rounding filters. Closes #1964.
remove debug
Fix pound symbol. in plain text.
ajax-loader retina'd
tidied hidpi media queries
link titles
cross more appropriate
link titles
Explicit check for array in layered nav widget
Check for thumbnail support on content type level
cache fix from 1.6.6
JSON tweak from 1.6
Updated readme with 1.6.6 release
retina'd frontend ajax loader