Add 20+ image processing functions in this version.

• Add many functions of halftoning, comp, and qualityassesment.
  Please go wiki for details.

• Add two more pixkit libs as:
  • pixkit-cv: for computer vision related usages.
  • pixkit-file: for file I/O.
• Simplify the complexity of pixkit-cv/src/labeling.
• Add many methods in pixkit-image.

• More functions:
  • Many halftoning methods.
  • Two regional contrast enhancement methods:
    pixkit::enhancement::local::CLAHE1987
    pixkit::enhancement::local::CLAHEnon1987 (previous pixkit::enhancement::local::Pizer1987)
  • One quality assessment method
    pixkit::qualityassessment::HPSNR
  • pixkit-timer
• Improvement:
  • pixkit::labeling::twoPass
• And some bug fixes

• Add one integral image based filtering function
  • pixkit::filtering::FBF()
• Add one category about image compression
  • Details please go here
• Add four more local contrast enhancement methods
  • pixkit::enhancement::local::POHE2013()
  • pixkit::enhancement::local::Pizer1987()
  • pixkit::enhancement::local::Lal2014()
  • pixkit::enhancement::local::Sundarami2011()
• Add one connected-component labeling method
  • Details please go here

• Add two more functions about clustering
  • pixkit::clustering::fuzzyCMeans()
  • pixkit::clustering::KMeans()
• bug fixes
  • pixkit::halftoning::dotdiffusion::NADD2013()

• Add CMake to easily compile pixkit for different environments
• Add two more contrast enhancement functions
  • pixkit::enhancement::global::WadudKabirDewanChae2007()
  • pixkit::enhancement::global::MaryKim2008()
• Add one more attack function
  • pixkit::attack::addGaussianNoise()

• Remove 3 bug functions from v0.1.0

• Initial version.
• Contains less than 20 image processing related functions.