* create currency select page
* use new currency converter on pools page
* use on contribute to pools
* use new currency converter in create invoice path
* use currency converter in analytics page
* use currency icon not flag in settings page
* use currency converter in gift page
* update add money to savings
* adding right content for currency toggle
* slightly increase size of input
* create currency switch button
* new helper function for currency display
* update contacts input pages
* adding tests
* adding currency select page to half modal
* adding send and requset pages
* update translations
* make receive page match input amount
* carry payment denomination to confirm screen
* update CustomInputHalfModal to new currency toggle
* fixing currency + display bug
* fix backnav and input