0.99:
DONE Reload book info from file
DONE don't run several initialization threads in the same time
DONE lib.ololo.cc

After 0.99:
* returning from footnotes (ask if footnote is in the same model and there was page scrolling)
* prevent from sleep if battery is in charging mode
* Open the help file if the current book is deleted from library
* Partial loading from database
* Database updating in backgorund
* Watch filesystem after loading
* Show wait message during search
* Reload book info for all the files
* garbage in Boris Akunin, Сказки для идиотов