* 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.
Added minor tweaks and fixed bugs.
Added update scripts for both variants: UDM update and further 'normal' updates. Minor updates to the directories layout
* Added test directory layout * Added test assets * Added backup/restore scripts
