code simplification
Merge branch 'master' into beta
Save and load book positionto/from db
not null
Merge branch 'master' into positions
fix
Merge branch 'positions' of github.com:geometer/FBReaderJ into positions
fix
Merge branch 'positions' of github.com:geometer/FBReaderJ into positions
code cleanup
Deleted redundant methods
Merge branch 'positions' of github.com:geometer/FBReaderJ into positions
Merge branch 'master' into beta