Merge pull request #98 from wasabeef/codeclean

Release 4.0.0

remove renderscript

update samples

Merge pull request #48 from wasabeef/v2.1.0

v2.1.0

Merge pull request #43 from wasabeef/v2.0.3

V2.0.3

Merge pull request #34 from wasabeef/v2.0.2

v2.0.2

Merge pull request #33 from wasabeef/v2.0.1

v2.0.1

Merge pull request #24 from wasabeef/goodbye-v8rs

Goodbye v8rs

Update CHANGELOG.md

fix bug