Merge branch 'release/0.1.5' into develop
add how to build document. add english document
support travis ci
add files for test
update node.js version for CI
refactor test
exclude PhantomJS from test target
refactor unit test code
add link to English/Japanese README
add chrome test
update travis ci config
disable chrome test
build raw inflate/deflate, fix raw inflate byte align bug
avoid firefox script timeout
fix firefox start script mode
fix inflate_stream build. fixed #10.
update bin/inflate_stream.min.js
support traditional PKZIP encryption
add crc32 minified js
enable google chrome settings for travis ci