Merge commit '10ba6ed3365615ed5c2995fe2d240cb2d5000173'

* commit '10ba6ed3365615ed5c2995fe2d240cb2d5000173': (32 commits)
  Travis: Install MacPorts without using macports-ci
  Build: Set FLOATTEST more intelligently
  BUILDING.md: Use min. iOS v8 in iOS Armv8 example
  Fix build if WITH_12BIT==1 && WITH_JPEG(7|8)==1
  Travis: Combine PPC/Arm tests with jpeg-7/8 tests
  Build: Fix test failures w/ Arm Neon SIMD exts
  Travis: Regression-test Armv8 and PPC SIMD exts
  Demote "fast" [I]DCT algorithms to legacy status
  jpegtran.c: "subarea" = "region"
  jpegtran.1: Minor formatting tweak
  transupp.c: Code formatting tweaks
  cdjpeg.h: Remove unused function stub
  Consistify formatting to simplify checkstyle
  README.ijg: Update URLs; remove Usenet info
  jversion.h: Update copyrights
  Build: Improve Arm 32-bit cross-comp./packaging
  "ARM"="Arm", "NEON"="Neon"
  Build: Fix permissions
  ChangeLog: Fix minor formatting issue
  ChangeLog.md: jpeg_crop_scanline(), not scanlines
  ...

jcphuff.c

@@ -44,10 +44,10 @@
  * memory footprint by 64k, which is important for some mobile applications
  * that create many isolated instances of libjpeg-turbo (web browsers, for
  * instance.)  This may improve performance on some mobile platforms as well.
- * This feature is enabled by default only on ARM processors, because some x86
+ * This feature is enabled by default only on Arm processors, because some x86
  * chips have a slow implementation of bsr, and the use of clz/bsr cannot be
  * shown to have a significant performance impact even on the x86 chips that
- * have a fast implementation of it.  When building for ARMv6, you can
+ * have a fast implementation of it.  When building for Armv6, you can
  * explicitly disable the use of clz/bsr by adding -mthumb to the compiler
  * flags (this defines __thumb__).
  */