Archives downloads github token

Add github token for archives downloads
Merge pull request #115 from julienj/master

Archives downloads github token
fix skip-errors option to work with repository errors

typically empty git repositories or repositories without composer.json
Merge pull request #117 from oker1/skip_invalid_repository

fix skip-errors option to work with repository errors
Add require-dev-dependencies option to recurse require-dev settings

Adresses composer/satis#116
Merge remote-tracking branch 'naderman/require-dev-deps'

* naderman/require-dev-deps:
  Add require-dev-dependencies option to recurse require-dev settings

Conflicts:
	src/Composer/Satis/Command/BuildCommand.php
Update dependencies including composer, fixes #114