revert jarsigner plugin
test picturre quality
fix travis
improve format performance
remove gmagick.size
remove gmagick.generate
refacoring gmagick.resize
remove gmagick.crop
refactoring gmagick.addText
refactoring gmagick.mosaic
refactoring gmagick.composite
Merge branch 'anthpack-v2' into bitdewy/master

* anthpack-v2:
  refactoring gmagick.composite
  refactoring gmagick.mosaic
  refactoring gmagick.addText
  remove gmagick.crop
  refacoring gmagick.resize
  remove gmagick.generate
  remove gmagick.size
  improve format performance
  fix travis
  test picturre quality
  revert jarsigner plugin