Introduced WNumberDb, to display numeric volume and gain. Allow string substitution by %1 in WNumber.
Revert change from PR#234 -- we actually do want to lie about the # of samples read :).
added ratio2db() and db2ratio()
removed unused function
inherid WNumberDb from WNumber
Removed ConstFactor from WNumber. It was badly named, unused and undocumented.
We can acheve the same function by using Transform inside the connection.
Merge pull request #245 from daschuer/wnumberdb

WNumberDb a dB Display
also update modplug for util/math refactor
update schema.xml - insert coverArt table
Fix table name in schema.xml + update required schema version
Add covertartdao classes to deals with database access
Implement coverArt extraction from ID3
Add cover art in trackinfoobject
Construct coverartdao class
Store cover arts from tag in settingsPath
schema.xml - use cover_art instead coverArt
coverartdao class - add m_pconfig + improvements in storage path
Implement coverArt extraction from MP4tag
Implement coverArt extraction from XiphComment
Implement coverArt extraction from APEtag