For fans of the legendary composer Henry Mancini, these really are the days of wine and roses.  The soundtrack specialists at Intrada have just announced the CD release of Mancini’s score to the 1974 adventure film The White Dawn for the very first time in a deluxe edition with bonus material.  And the U.K.-based Vocalion label is looking to the same decade with the reissue of two of Mancini’s never-before-on-CD RCA albums plus another pair from piano duo Arthur Ferrante and Lou Teicher. Ferrante (1921-2009) and Teicher (1924-2008) met while studying at…