[texhax] newtx font installation

[Bob Tennent]

 >|My journal publisher's class file uses newtx fonts, so
 >|I've tried to update my miktex installation. The miktex
 >|package manager reports that all of newtxtt, newtxsf,
 >|minion2newtx and newtx itself (only the last is new) are
 >|installed.

Several other packages are needed and not all of them are
recognized by MiKTeX's "automatic" system:

fontaxes
xkeyval
etoolbox
tex-gyre

Bob T.