add read_aloud hilighting to 1UP mode
add read_aloud hilighting to 1UP mode

internetarchive/bookreader,gootdude/bookreader,Islandora/internet_archive_bookreader,yankl/bookreader,openlibrary/bookreader,niksu/bookreader,nikolas/bookreader,brisandbeans/bookreader,yankl/bookreader,yankl/bookreader,internetarchive/bookreader,yankl/bookreader,brisandbeans/bookreader,openlibrary/bookreader,niksu/bookreader,Islandora/internet_archive_bookreader,gootdude/bookreader,brisandbeans/bookreader,openlibrary/bookreader,gootdude/bookreader,niksu/bookreader,Islandora/internet_archive_bookreader,garyrh/bookreader,niksu/bookreader,brisandbeans/bookreader,Islandora/internet_archive_bookreader,garyrh/bookreader,garyrh/bookreader,brisandbeans/bookreader,yankl/bookreader,garyrh/bookreader,Islandora/internet_archive_bookreader,gootdude/bookreader,garyrh/bookreader,openlibrary/bookreader,niksu/bookreader,openlibrary/bookreader,nikolas/bookreader