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• change private attributes to protected - pointed out in the issue #68 / thanks to @OumaSyuu
• add setJustification on WrapperInterfaces

Enhancements

1 - make BitonalOrderedDither class compatible with android api level 19.

2 - make "\n" the unique pattern for new line on feed function

bug fix issue #62

put the project on maven-central

fix related to issue #17 by @Muraveiko

transform project into maven project thanks to @derickfelix

fix related to issue #10 and #12