GnuCash 2.6.15

What's new in this version:

Between 2.6.14 and 2.6.15, the following bugfixes were accomplished:
- Default price source for reports not good.
- Scheduled trasaction calendar popup off screen
- Crashes on non-existent date
- Australian (GMT-10) OFX transactions imported have previous day's date
- Sign of Value in Lots in Account window seems inconsistent
- Set Invoice/Bill items date correctly from imported CSV
- Build fails because test test-report-utilities is sensitive to time of day/timezone
- Invalid DOCTYPE in report generation
- Replace use of guile's internal date/time functions
- Date off-by-one after DST change
- Segfault on Transaction edit
- Export Report Crash
- FTBFS under some timezones (eg. GMT-14)
- "Average cost" price source problem
- Confusing error message which includes the text "file file"
- Importing QIF file from PayPal crashes GnuCash 2.6.14 on Windows XP service pack 3
- Tips of the Day shows content only once very 3 times

Some other fixes not associated with reported bugs:
- Fix report html header
- Changed the default value for date format in Business Options
- Change report resizing when not in view
- Add an image for the report tab
- Show empty business splits in lot viewer
- Business check & repair - correct lot invoice state
- When juggling business splits while scrubbing set both value and amount
- Update progress bar while running Check & Repair
- Remove lot from account while deleting the lot
- Ensure that the Namespace combo box is initialized to a valid iter
- Fix CSV importer to handle GMT + 13 Timezone (New Zealand Daylight
- Fix broken german account template 'Kontenrahmen für Wohnungswirtschaft'.Time)
- Translation Updates: Dutch, German, Serbian