Log Message:
Update to 1.6.0:

This release adds one new general option:
    -pause <s>                pause for <s> seconds between each run

and several new test options:
    -crgb10text                Char in 80-char rgb core line (Charter 10)
    -crgb24text                Char in 30-char rgb core line (Charter 24)
    -crgbftext                 Char in 80-char rgb core line (Courier 12)
    -magpixwin10               Scale 5x5 from pixmap to 10x10 window
    -magpixwin100              Scale 50x50 from pixmap to 100x100 window
    -magpixwin500              Scale 250x250 from pixmap to 500x500 window
    -minpixwin10               Scale 10x10 from pixmap to 5x5 window
    -minpixwin100              Scale 100x100 from pixmap to 5x5 window
    -minpixwin500              Scale 500x500 from pixmap to 250x250 window

Alan Coopersmith (9):
      Add const attributes to fix gcc -Wwrite-strings warnings
      Mark usage & AbortTest as _X_NORETURN
      Drop imake fallback for RETSIGTYPE definition
      Assume signal handlers return void, as C89 requires
      configure: Drop AM_MAINTAINER_MODE
      autogen.sh: Honor NOCONFIGURE=1
      Mark bitmap data as const
      Combine help_message array into a single string
      x11perf 1.6.0

Keith Packard (5):
      Add up/down scaling composite tests
      Fix reported pixmap format name
      Add scaling composite tests
      Switch to 64-bit ints
      Add '-pause' option to delay between runs

Matthieu Herrb (1):
      remove srand(1) call as nothing calls any rand like functions in x11perf

Peter Harris (1):
      Fix name collision in -rgb*text