Use environment php

Use php from the environment to be a bit more compatible with various setups
Merge pull request #5 from CodingNinja/master

Use PHP from environment for more compatibility
changed minimum composer version to 1.0.*@dev

https://groups.google.com/forum/#!topic/composer-dev/_g3ASeIFlrc/discussion
Merge remote-tracking branch 'c33s/patch-1'

* c33s/patch-1:
  changed minimum composer version to 1.0.*@dev
Update composer.yml
Update lock file
Add test
Add license to composer.(yml|json)
Now possible to create a phar package with Box. Phar package was also built and added to the project.
Removed composer-yaml.phar from repository.
composer-yaml.phar ignored for vcs.
Merge pull request #7 from srosato/composer-yaml-as-phar

Create a phar package with Box