Squashed 'bin/' changes from c98d9c4..d0194bb

d0194bb Add PHP syntax checks for travis-ci and pre-commit hook

git-subtree-dir: bin
git-subtree-split: d0194bb5fa9698a327fa67b373262a8ca83840fd
Merge commit '56c28ff82305b46071f6a924775cf0f272604343'
Lowercase readme
Add some basic unit test