* User tickers as primary lookup symbol instead of isin
* Add security price provider
* Fetch security prices in bulk to improve sync performance
* Fetch prices in bulk, better mocking for tests
* Implement Synth as an exchange rate provider
* Add assertions to provider interface test
* Assert the correct provider error is raised
* Remove unnecessary parens
* Initial foundational pass at multi-currency
* Default format currency
* More work on currency and exchanging
* Re-build currencies on change
* Currency import/setup
* Background job overhaul + cheaper OXR plan support
* Lint fixes
* Test fixes
* Multi-currency setup instructions
* Allow decimals in the balance field
* Spacing fix for form
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Signed-off-by: Josh Pigford <josh@joshpigford.com>
