Changelog

• Added REST API
• Fixed modal backdrop overlay
• [ApiBundle] Save history of all API calls
• Add token authentication for API
• Fix discount showing incorrectly
• Remove dependency on the intl extension
• Don't display internal payment methods to client when paying an invoice
• Update email templates for invoices and quotes
• Fix #61: Check invoice total instead of balance if invoice is fully paid
• Added MoneyBundle to implement Fowler's money pattern
• Added current application version as asset version
• [CronBundle] Added CronBundle
• [InstallBundle] Add cronjob message to cli installer success