code cleanup
Gui: calling close() on database before closing application
MySQL server: code cleanup
MySQL backend: code cleanup
ASqlBackend: comments, and preparations for storing
MySQL server: preventing for starting another mysql server
code formatting
ASqlBackend: creating base database and tables when they don't exist
ASqlBackend: decomposition
MemoryDatabase: fixing crash
SqlBackend: changing db version to 0.1
usefull links saved
ASqlBackend: decomposition of checkStructure
ASqlDatabase: creating Photos and Tags tables
ASqlBackend: preparing query for table creation in particular implementation
ASqlBackend: introducing default implementation of prepareCreationQuery
ASqlBackend: closing in 'Database' namespace
todo update
ASQlBackend: adding tag name and value to tags table
introducing table definitions