Assets 3

Update the third-party dependencies:

  • boost 1.61.0
  • cairo 1.14.10
  • Expat 2.2.4 commit bc6468d
  • FreeType 2.8
  • lcms 2.8
  • libiconv 1.15
  • libpng 1.6.32
  • LibTIFF 4.0.8
  • OpenJPEG 2.2.0
  • pixman 0.34.0
  • poppler 0.57.0
  • poppler-data 0.4.8
  • Qt 5.7.1
  • Xz Utils liblzma 5.2.3
  • zlib 1.2.11