* Added creation of /user/media/app/alarm
directory that will be used to store
custom alarm sounds.
* Implemented new database structure.
* Adapted Alarm, Bedtime, Pre-wake up and
Snooze to new database structure.
* Added removing custom alarm files during
factory reset.
* Added fallback alarm sound mechanism.
* Cleanups, unifications.
* Modified Lua update scripts to show simple
progress bar during update process in
Recovery.
* Fixed regression with failing factory
reset on Pure.
* Split Lua scripts per product.
* Removed doubled copyright header from 'up/down/devel.sql' when committing
databases.
* During installing, 'devel.sql' was created even if specific revisions
didn't contain one.
* Removed unnecessary product-specific .lua scripts.
