* Fix: Only USD currency with 2 decimals were properly handled for tips
* Fix: All PoS apps would were sharing the same basket
* Fix: Currency formatting was not using server side information
* Fix: Various bug of formatting for decimal 0 and more than 2.
Modal cart, remove items, checkout
Fix removal and adding of cart items
Improve cart UI
Add cart bundle, remove unused js files from the view when cart isn't used
Do not enable cart by default
Do not put modal into the view when the cart is disabled
Escape js properties
Work with amounts as cents
Make animation speed look constant
Enable tips in the cart
Fix cart UI
* make language loading more solid
* disable browser lang preferences
* pr fix
* pr fixes
* pr fixes
* make sure language files are named correctly
* fix dropdown width issue when in modal form
* fix issue from jquery hell
* Modal through btcpay.js
* Handling close action depending on whether is modal or not
* Tweaking button position
* Stripping trailing slashes if present when setting site root
* Disable shapeshift and use changelly
* UI to manage changelly payment method
* wip on changelly api
* Add in Vue component for changelly and remove target currency from payment method
* add changelly merhcant id
* Small fixes to get Conversion to load
* wip fixing the component
* fix merge conflict
* fixes to UI
* remove debug, fix fee calc and move changelly to own partials
* Update ChangellyController.cs
* move original vue setup back to checkout
* Update core.js
* Extracting Changelly component to js file
* Proposal for loading spinner
* remove zone
* imrpove changelly ui
* add in changelly config checks
* try new method to calculate amount + remove to currency from list
* abstract changelly lofgic to provider and reduce dependency on js component
* Add UTs for Changelly
* refactor changelly backend
* fix failing UT
* add shitcoin tax
* pr changes
* pr changes
* NotifyEmail field on Invoice, sending email when triggered
* Styling invoices page
* Exporting Invoices in JSON
* Recoding based on feedback
* Fixing image breaking responsive layout on mobile
* Reducing amount of data sent in email notification
* Turning bundling on by default
* Styling elements required for Node info
* Allowing switching QR between bolt11 and node info for lightning
* Equal width for Bolt11 and Node info buttons
* Certain languages were too verbose for display of "Pay with"
Fixes: #317
