* 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
