fresh install of debian package uses flyway

Fresh installation of debian package uses flyway, so there is no need for db scripting anymore.

Closes #389 (closed)

added 8 commits

• 2d5cbe03 - migration scripts renamed to fit into flyway naming convention
• 2dab443f - when installing debian package from scratch use flyway for migration management
• d9cb5362 - migration renamed for flyway convention
• 162de873 - don't copy base.sql file - we don't need it anymore
• 3a557a99 - unnecessary post construct method removed
• 617a464a - email sender is lazy initialized (because postconstruct is called before…
• a2a75379 - explicitly enable database population
• 1c4b73d9 - allow out of order database upgrades in flyway

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unmarked as a Work In Progress

changed title from Resolve "use database migration framework" to fresh install of debian package uses flyway

changed the description

mentioned in commit 997c281b

merged