Fixed and improved column for featured status

- Bugfix: if the product was featured a double opening anchor tag would be used around the star image, breaking the link.
- Changed the title attribute from "Change" to "Toggle featured".
- Made alt attributes of the images translatable ("yes" and "no").
- Coding standards.
Set_stock for product class Closes #2042.
Merge pull request #2072 from GeertDD/featured_column

Fixed and improved column for featured status
Added thai states (Closes #2064), added files per state which get loaded only when the country is allowed, and hidden the informal setting unless needed for the lang.

Also moved languages and added an i18n folder for this kind of stuff.
2 filters to force/unforce any page programatically. Closes #2030.
Remove depricated jQuery Closes #2039
Updated turkish translations
Breadcrumb defaults filter
Made the home link optional in the breadcrumb
Fix for commit 5507e8453f4b3761fb8520b308954c386dd5e375
Prevent empty term-description div
wp_insert_user Closes #2069.
Clear transients on cron #1971
Merge pull request #2078 from GeertDD/term_description

Prevent empty term-description div
Language Refresh run

using PoEdit
Use jquery-ui ver Closes #2056.
Merge pull request #2079 from Ramoonus/master

Language refresh
Password input. Closes #2057.
Fix tax importer. Closes #2067.
Merge pull request #2077 from GeertDD/breadcrumb

Breadcrumb