resolve issue with undefined variable in Windows
Allow the binary finder to use the project's composer.json file

- Load JSON file and get bin-dir value: https://getcomposer.org/doc/articles/vendor-binaries.md

- Update finder behaviour to avoid code duplication

Signed-off-by: Stéphane HULARD <s.hulard@chstudio.fr>
Update README.md
Merge pull request #479 from frob/patch-1

Update README.md
Merge pull request #475 from CHStudio/composer-config-bindir

Allow the binary finder to use the project composer.json
Merge pull request #473 from Icode4food/pr1

resolve issue with undefined variable in Windows
Merge pull request #470 from FylmTM/feature-hipchat_plugin_customize

HipChat plugin update - color & notify options added.
Merge pull request #468 from FylmTM/bugfix-project-view-pages

Check for zero builds count and if so, set pages count to 1.
Merge branch 'master' into custom