Squashed 'bin/' changes from 00d36fb..d0194bb

d0194bb Add PHP syntax checks for travis-ci and pre-commit hook
c98d9c4 Merge branch 'master' of github.com:x-team/wp-plugin-dev-lib
2e1b928 Remove dependency on WP_CLI
0e07a75 Note how add .travis.yml and .jshintrc to host plugin via symlinks
da3555c Also check for presence of phpunit.xml.dist
0ae29af Update pre-commit hook so PHPCS only looks at staged PHP files

git-subtree-dir: bin
git-subtree-split: d0194bb5fa9698a327fa67b373262a8ca83840fd
Merge commit '4c1d98b5acfe6dc0cdf1ed3b05544a1457d9502b' into develop

Conflicts:
	bin/pre-commit
Fix pre-commit detection of staged_php_files