Fix Travis CI status badge URL
Add "sign" target in Makefile
Move third-party executables back to "vendor/bin" directory
Build phar file in dedicated directory
Remove useless lines in .gitignore file
Change the way the configuration file is loaded
Deflate my ego
Update version to 0.2.0-dev
Add configuration documentation
Improve documentation
Improve documentation
Update documentation
Merge branch 'feature/documentation' into develop