version 0.7.6:  First step toward Joomla 3.x
version 0.7.6-r1:  First step toward Joomla 3.x µ+ fixed images not loaded when "add track"
version 0.7.6-r1:  add translation in charts, fixed image loading at track upload
version 0.7.6-r1:  1st Joomla3 version (for testing)
version 0.7.6-r2:  fixed install scipt databse error (after failed install)