Add Offer schema.org markup
Correct test to reflect new markup
Add $payment_id to download title filter

There may be info within the payment meta to add to the title. Passing the $payment_id makes this possible.
Merge pull request #2242 from elliott-stocks/patch-16

Add $payment_id to download title filter
Use a non-broken cache key
Merge pull request #2243 from leewillis77/stats_fix

Use a non-broken cache key
Fixed rendering of text elements

- Fixed bug in EDD_HTML_Elements::text(), which caused the rendering of broken HTML.
Merge pull request #2250 from daigo75/master

Fixed rendering of text elements
Add class to download log

Make it easier to target for hiding if selling physical products
Add trigger when quantity is updated

Useful for changing the style of the cart count
Merge pull request #2252 from elliott-stocks/patch-19

Add trigger when quantity is updated
Merge pull request #2251 from elliott-stocks/patch-18

Add class to download log
#2247 - Negative Discount Tests
#2247 - Whitespace cleanup
Fixing ID array name
#2247 - Fixing 'production_condition'
Added filter to allow modifying the variable prices

For simple downloads, the download price can be altered by adding a `edd_get_download_price` hook. The new hook will allow to do the same with variable prices, which, at the moment, cannot be modified if needed, because they are used straight away, in their raw form, as soon as they are loaded.
Merge pull request #2211 from leewillis77/schema-improvements

Add Offer schema.org markup
Formatting for #2134
Remove existing items only before the foreach. Now I feel so stupid for not seeing this error. CLoses #2134