If you’ve ever been looking to build a solid jazz library without spending too much coin, look no further.  The European arm of Universal Music Group, through its EmArcy and Decca labels, has announced a series of Complete Masters boxes that offer considerable bang for your buck!  The Complete Masters slate kicks off with five box sets devoted to Louis Armstrong (1925-1945, 14 discs), Ella Fitzgerald (1935-1955, 14 discs), Billie Holiday (1933-1959, 15 discs), Sidney Bechet (American Masters 1931-1953, 14 discs) and Charlie Parker (1941-1954, 13 discs).  Based on the time periods,…