Release 3.0.4

• 04/15/2019 The jGnash launch script now works correctly when double clicked in MacOS. GitHub Pull Request #80) [Pranay Kumar]
• 04/14/2019 Disable the Portfolio report if there are not any investment accounts.
• 04/14/2019 A NPE could occur if the last investment account was deleted after showing the Portfolio report.
• 04/13/2019 Eliminated zero width spaces from the export of a register to a xls/xlsx file.
• 04/13/2019 Updated to latest POI dependency abd PDFBox.
• 04/07/2019 A Reminders chapter was added to the manual.
• 04/09/2019 Made the Enabled check box of the New Reminder dialog enabled by default.
• 04/07/2019 Improved shutdown speed if background events are occurring.
• 04/05/2019 Made internal changes to prevent race conditions during a shutdown.
• 04/05/2019 Calculate opening balance if user changes reconcile date. (GitHub Pull Request #79) [Pranay Kumar]
• 04/04/2019 Prevent an NPE caused by a race condition between recurring transactions being processed and an
  application shutdown in process. (GitHub Issue #78)
• 04/04/2019 Prevent accumulation of stale internal listeners that would result in wasted system memory and a slowdown
  during a long running session.